<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2022 Workiva-->
<!--r:b0687adf-f233-4763-8286-aa1d7a94b927,g:786f20ff-befb-4927-a6da-c8cec2ba3b71-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:appf="http://www.appfolio.com/20211231" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2020-01-21" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.appfolio.com/20211231">
  <xs:import namespace="http://fasb.org/srt/2021-01-31" schemaLocation="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2021-01-31" schemaLocation="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd"/>
  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://www.xbrl.org/2003/xlink-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2021q4" schemaLocation="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="appf-20211231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="appf-20211231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="appf-20211231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="appf-20211231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="Cover" roleURI="http://www.appfolio.com/role/Cover">
        <link:definition>0001001 - Document - Cover</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AuditInformation" roleURI="http://www.appfolio.com/role/AuditInformation">
        <link:definition>0002002 - Document - Audit Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheets" roleURI="http://www.appfolio.com/role/ConsolidatedBalanceSheets">
        <link:definition>1001003 - Statement - Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheetsParenthetical" roleURI="http://www.appfolio.com/role/ConsolidatedBalanceSheetsParenthetical">
        <link:definition>1002004 - Statement - Consolidated Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofOperations" roleURI="http://www.appfolio.com/role/ConsolidatedStatementsofOperations">
        <link:definition>1003005 - Statement - Consolidated Statements of Operations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofComprehensiveIncome" roleURI="http://www.appfolio.com/role/ConsolidatedStatementsofComprehensiveIncome">
        <link:definition>1004006 - Statement - Consolidated Statements of Comprehensive Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofStockholdersEquity" roleURI="http://www.appfolio.com/role/ConsolidatedStatementsofStockholdersEquity">
        <link:definition>1005007 - Statement - Consolidated Statements of Stockholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofCashFlows" roleURI="http://www.appfolio.com/role/ConsolidatedStatementsofCashFlows">
        <link:definition>1006008 - Statement - Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofCashFlowsReconciliation" roleURI="http://www.appfolio.com/role/ConsolidatedStatementsofCashFlowsReconciliation">
        <link:definition>1007009 - Statement - Consolidated Statements of Cash Flows - Reconciliation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NatureofBusiness" roleURI="http://www.appfolio.com/role/NatureofBusiness">
        <link:definition>2101101 - Disclosure - Nature of Business</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPolicies" roleURI="http://www.appfolio.com/role/SummaryofSignificantAccountingPolicies">
        <link:definition>2102102 - Disclosure - Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesPolicies" roleURI="http://www.appfolio.com/role/SummaryofSignificantAccountingPoliciesPolicies">
        <link:definition>2203201 - Disclosure - Summary of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesTables" roleURI="http://www.appfolio.com/role/SummaryofSignificantAccountingPoliciesTables">
        <link:definition>2304301 - Disclosure - Summary of Significant Accounting Policies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesAdditionalInformationDetails" roleURI="http://www.appfolio.com/role/SummaryofSignificantAccountingPoliciesAdditionalInformationDetails">
        <link:definition>2405401 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesPropertyandEquipmentDetails" roleURI="http://www.appfolio.com/role/SummaryofSignificantAccountingPoliciesPropertyandEquipmentDetails">
        <link:definition>2406402 - Disclosure - Summary of Significant Accounting Policies - Property and Equipment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesNetIncomeperShareScheduleofWeightedAverageNumberofSharesDetails" roleURI="http://www.appfolio.com/role/SummaryofSignificantAccountingPoliciesNetIncomeperShareScheduleofWeightedAverageNumberofSharesDetails">
        <link:definition>2407403 - Disclosure - Summary of Significant Accounting Policies - Net Income per Share Schedule of Weighted Average Number of Shares (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Divestitures" roleURI="http://www.appfolio.com/role/Divestitures">
        <link:definition>2108103 - Disclosure - Divestitures</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DivestituresNarrativeDetails" roleURI="http://www.appfolio.com/role/DivestituresNarrativeDetails">
        <link:definition>2409404 - Disclosure - Divestitures - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsandFairValueMeasurements" roleURI="http://www.appfolio.com/role/InvestmentsandFairValueMeasurements">
        <link:definition>2110104 - Disclosure - Investments and Fair Value Measurements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsandFairValueMeasurementsTables" roleURI="http://www.appfolio.com/role/InvestmentsandFairValueMeasurementsTables">
        <link:definition>2311302 - Disclosure - Investments and Fair Value Measurements (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsandFairValueMeasurementsInvestmentSecuritiesDetails" roleURI="http://www.appfolio.com/role/InvestmentsandFairValueMeasurementsInvestmentSecuritiesDetails">
        <link:definition>2412405 - Disclosure - Investments and Fair Value Measurements - Investment Securities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsandFairValueMeasurementsInvestmentSecuritiesDetails_1" roleURI="http://www.appfolio.com/role/InvestmentsandFairValueMeasurementsInvestmentSecuritiesDetails_1">
        <link:definition>2412405 - Disclosure - Investments and Fair Value Measurements - Investment Securities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsandFairValueMeasurementsSalesandMaturitiesDetails" roleURI="http://www.appfolio.com/role/InvestmentsandFairValueMeasurementsSalesandMaturitiesDetails">
        <link:definition>2413406 - Disclosure - Investments and Fair Value Measurements - Sales and Maturities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsandFairValueMeasurementsNarrativeDetails" roleURI="http://www.appfolio.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails">
        <link:definition>2414407 - Disclosure - Investments and Fair Value Measurements - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsandFairValueMeasurementsFairValueMeasurementsDetails" roleURI="http://www.appfolio.com/role/InvestmentsandFairValueMeasurementsFairValueMeasurementsDetails">
        <link:definition>2415408 - Disclosure - Investments and Fair Value Measurements - Fair Value Measurements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentnet" roleURI="http://www.appfolio.com/role/PropertyandEquipmentnet">
        <link:definition>2116105 - Disclosure - Property and Equipment, net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentnetTables" roleURI="http://www.appfolio.com/role/PropertyandEquipmentnetTables">
        <link:definition>2317303 - Disclosure - Property and Equipment, net (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentnetDetails" roleURI="http://www.appfolio.com/role/PropertyandEquipmentnetDetails">
        <link:definition>2418409 - Disclosure - Property and Equipment, net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CapitalizedSoftwareDevelopmentCostsnet" roleURI="http://www.appfolio.com/role/CapitalizedSoftwareDevelopmentCostsnet">
        <link:definition>2119106 - Disclosure - Capitalized Software Development Costs, net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CapitalizedSoftwareDevelopmentCostsnetTables" roleURI="http://www.appfolio.com/role/CapitalizedSoftwareDevelopmentCostsnetTables">
        <link:definition>2320304 - Disclosure - Capitalized Software Development Costs, net (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CapitalizedSoftwareDevelopmentCostsnetSoftwareDevelopmentCostsDetails" roleURI="http://www.appfolio.com/role/CapitalizedSoftwareDevelopmentCostsnetSoftwareDevelopmentCostsDetails">
        <link:definition>2421410 - Disclosure - Capitalized Software Development Costs, net - Software Development Costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CapitalizedSoftwareDevelopmentCostsnetNarrativeDetails" roleURI="http://www.appfolio.com/role/CapitalizedSoftwareDevelopmentCostsnetNarrativeDetails">
        <link:definition>2422411 - Disclosure - Capitalized Software Development Costs, net - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CapitalizedSoftwareDevelopmentCostsnetAmortizationExpenseDetails" roleURI="http://www.appfolio.com/role/CapitalizedSoftwareDevelopmentCostsnetAmortizationExpenseDetails">
        <link:definition>2423412 - Disclosure - Capitalized Software Development Costs, net - Amortization Expense (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleAssetsnet" roleURI="http://www.appfolio.com/role/IntangibleAssetsnet">
        <link:definition>2124107 - Disclosure - Intangible Assets, net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleAssetsnetTables" roleURI="http://www.appfolio.com/role/IntangibleAssetsnetTables">
        <link:definition>2325305 - Disclosure - Intangible Assets, net (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleAssetsnetFiniteLivedIntangibleAssetsDetails" roleURI="http://www.appfolio.com/role/IntangibleAssetsnetFiniteLivedIntangibleAssetsDetails">
        <link:definition>2426413 - Disclosure - Intangible Assets, net - Finite-Lived Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleAssetsnetAmortizationExpenseDetails" roleURI="http://www.appfolio.com/role/IntangibleAssetsnetAmortizationExpenseDetails">
        <link:definition>2427414 - Disclosure - Intangible Assets, net - Amortization Expense (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedEmployeeExpenses" roleURI="http://www.appfolio.com/role/AccruedEmployeeExpenses">
        <link:definition>2128108 - Disclosure - Accrued Employee Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedEmployeeExpensesTables" roleURI="http://www.appfolio.com/role/AccruedEmployeeExpensesTables">
        <link:definition>2329306 - Disclosure - Accrued Employee Expenses (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedEmployeeExpensesDetails" roleURI="http://www.appfolio.com/role/AccruedEmployeeExpensesDetails">
        <link:definition>2430415 - Disclosure - Accrued Employee Expenses (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Leases" roleURI="http://www.appfolio.com/role/Leases">
        <link:definition>2131109 - Disclosure - Leases</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesTables" roleURI="http://www.appfolio.com/role/LeasesTables">
        <link:definition>2332307 - Disclosure - Leases (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesNarrativeDetails" roleURI="http://www.appfolio.com/role/LeasesNarrativeDetails">
        <link:definition>2433416 - Disclosure - Leases - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesScheduleofComponentsofLeaseexpenseDetails" roleURI="http://www.appfolio.com/role/LeasesScheduleofComponentsofLeaseexpenseDetails">
        <link:definition>2434417 - Disclosure - Leases - Schedule of Components of Lease expense (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesLeaseRelatedAssetsandLiabilitiesDetails" roleURI="http://www.appfolio.com/role/LeasesLeaseRelatedAssetsandLiabilitiesDetails">
        <link:definition>2435418 - Disclosure - Leases - Lease Related Assets and Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesScheduleofMinimumLeasepaymentsUnderLeasesDetails" roleURI="http://www.appfolio.com/role/LeasesScheduleofMinimumLeasepaymentsUnderLeasesDetails">
        <link:definition>2436419 - Disclosure - Leases - Schedule of Minimum Lease payments Under Leases (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesScheduleofMinimumLeasepaymentsUnderLeasesDetails_1" roleURI="http://www.appfolio.com/role/LeasesScheduleofMinimumLeasepaymentsUnderLeasesDetails_1">
        <link:definition>2436419 - Disclosure - Leases - Schedule of Minimum Lease payments Under Leases (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingencies" roleURI="http://www.appfolio.com/role/CommitmentsandContingencies">
        <link:definition>2137110 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesAdditionalInformationDetails" roleURI="http://www.appfolio.com/role/CommitmentsandContingenciesAdditionalInformationDetails">
        <link:definition>2438420 - Disclosure - Commitments and Contingencies - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquity" roleURI="http://www.appfolio.com/role/StockholdersEquity">
        <link:definition>2139111 - Disclosure - Stockholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityAmendedandRestatedCertificateofIncorporationDetails" roleURI="http://www.appfolio.com/role/StockholdersEquityAmendedandRestatedCertificateofIncorporationDetails">
        <link:definition>2440421 - Disclosure - Stockholders' Equity - Amended and Restated Certificate of Incorporation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityClassACommonStockandClassBCommonStockReverseStockSplitDetails" roleURI="http://www.appfolio.com/role/StockholdersEquityClassACommonStockandClassBCommonStockReverseStockSplitDetails">
        <link:definition>2441422 - Disclosure - Stockholders' Equity - Class A Common Stock and Class B Common Stock, Reverse Stock Split (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityPreferredStockDetails" roleURI="http://www.appfolio.com/role/StockholdersEquityPreferredStockDetails">
        <link:definition>2442423 - Disclosure - Stockholders' Equity - Preferred Stock (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityShareRepurchaseProgramDetails" roleURI="http://www.appfolio.com/role/StockholdersEquityShareRepurchaseProgramDetails">
        <link:definition>2443424 - Disclosure - Stockholders' Equity - Share Repurchase Program (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensation" roleURI="http://www.appfolio.com/role/StockBasedCompensation">
        <link:definition>2144112 - Disclosure - Stock-Based Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationTables" roleURI="http://www.appfolio.com/role/StockBasedCompensationTables">
        <link:definition>2345308 - Disclosure - Stock-Based Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationStockOptionPlansDetails" roleURI="http://www.appfolio.com/role/StockBasedCompensationStockOptionPlansDetails">
        <link:definition>2446425 - Disclosure - Stock-Based Compensation - Stock Option Plans (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationStockOptionActivityDetails" roleURI="http://www.appfolio.com/role/StockBasedCompensationStockOptionActivityDetails">
        <link:definition>2447426 - Disclosure - Stock-Based Compensation - Stock Option Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationRestrictedStockUnitsDetails" roleURI="http://www.appfolio.com/role/StockBasedCompensationRestrictedStockUnitsDetails">
        <link:definition>2448427 - Disclosure - Stock-Based Compensation - Restricted Stock Units (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationRestrictedStockUnitsNarrativeDetails" roleURI="http://www.appfolio.com/role/StockBasedCompensationRestrictedStockUnitsNarrativeDetails">
        <link:definition>2449428 - Disclosure - Stock-Based Compensation - Restricted Stock Units Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationRestrictedStockAwardsDetails" roleURI="http://www.appfolio.com/role/StockBasedCompensationRestrictedStockAwardsDetails">
        <link:definition>2450429 - Disclosure - Stock-Based Compensation - Restricted Stock Awards (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://www.appfolio.com/role/IncomeTaxes">
        <link:definition>2151113 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesTables" roleURI="http://www.appfolio.com/role/IncomeTaxesTables">
        <link:definition>2352309 - Disclosure - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesNarrativeDetails" roleURI="http://www.appfolio.com/role/IncomeTaxesNarrativeDetails">
        <link:definition>2453430 - Disclosure - Income Taxes - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesEffectiveIncomeTaxReconciliationDetails" roleURI="http://www.appfolio.com/role/IncomeTaxesEffectiveIncomeTaxReconciliationDetails">
        <link:definition>2454431 - Disclosure - Income Taxes - Effective Income Tax Reconciliation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesComponentsofIncomeTaxesDetails" roleURI="http://www.appfolio.com/role/IncomeTaxesComponentsofIncomeTaxesDetails">
        <link:definition>2455432 - Disclosure - Income Taxes - Components of Income Taxes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesComponentsofDeferredTaxAssetsLiabilitiesDetails" roleURI="http://www.appfolio.com/role/IncomeTaxesComponentsofDeferredTaxAssetsLiabilitiesDetails">
        <link:definition>2456433 - Disclosure - Income Taxes - Components of Deferred Tax Assets (Liabilities) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesChangesinValuationAllowanceDetails" roleURI="http://www.appfolio.com/role/IncomeTaxesChangesinValuationAllowanceDetails">
        <link:definition>2457434 - Disclosure - Income Taxes - Changes in Valuation Allowance (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesUnrecognizedTaxBenefitsDetails" roleURI="http://www.appfolio.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails">
        <link:definition>2458435 - Disclosure - Income Taxes - Unrecognized Tax Benefits (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandOtherInformation" roleURI="http://www.appfolio.com/role/RevenueandOtherInformation">
        <link:definition>2159114 - Disclosure - Revenue and Other Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandOtherInformationTables" roleURI="http://www.appfolio.com/role/RevenueandOtherInformationTables">
        <link:definition>2360310 - Disclosure - Revenue and Other Information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandOtherInformationDetails" roleURI="http://www.appfolio.com/role/RevenueandOtherInformationDetails">
        <link:definition>2461436 - Disclosure - Revenue and Other Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RetirementPlans" roleURI="http://www.appfolio.com/role/RetirementPlans">
        <link:definition>2162115 - Disclosure - Retirement Plans</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RetirementPlansDetails" roleURI="http://www.appfolio.com/role/RetirementPlansDetails">
        <link:definition>2463437 - Disclosure - Retirement Plans (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="appf_ConversionOfStockNumberOfSharesIssuableUponConversionDueToTransfer" abstract="false" name="ConversionOfStockNumberOfSharesIssuableUponConversionDueToTransfer" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="appf_CommonStockNumberOfVotesPerShare" abstract="false" name="CommonStockNumberOfVotesPerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="appf_EquityMethodInvestmentRealizedGainFromRecoveryOfNoteReceivable" abstract="false" name="EquityMethodInvestmentRealizedGainFromRecoveryOfNoteReceivable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_PartnerRelationshipsMember" abstract="true" name="PartnerRelationshipsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="appf_ShareBasedCompensationArrangementsByShareBasedPaymentAwardPercentOfCashBonusPaymentOnInitialTargets" abstract="false" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardPercentOfCashBonusPaymentOnInitialTargets" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="appf_RestrictedStockUnitsAndPerformanceStockUnitsMember" abstract="true" name="RestrictedStockUnitsAndPerformanceStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="appf_CoreSolutionsMember" abstract="true" name="CoreSolutionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="appf_LesseeOperatingLeaseTenantAllowanceYearThree" abstract="false" name="LesseeOperatingLeaseTenantAllowanceYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_AuditorInformationAbstract" abstract="true" name="AuditorInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="appf_DisposalGroupIncludingDiscontinuedOperationCapitalizedSoftware" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationCapitalizedSoftware" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_CapitalizedComputerSoftwareDisposals" abstract="false" name="CapitalizedComputerSoftwareDisposals" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_ContractTermSubscriptionAgreement" abstract="false" name="ContractTermSubscriptionAgreement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="appf_PerformanceStockUnitsMember" abstract="true" name="PerformanceStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="appf_RestrictedStockUnitsWithServiceAndPerformanceConditionsMember" abstract="true" name="RestrictedStockUnitsWithServiceAndPerformanceConditionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="appf_TwoThousandFifteenStockIncentivePlanMember" abstract="true" name="TwoThousandFifteenStockIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="appf_ScheduleOfAccruedEmployeeExpensesTableTextBlock" abstract="false" name="ScheduleOfAccruedEmployeeExpensesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="appf_NoncashOrPartNoncashDivestitureAdjustmentToConsideration" abstract="false" name="NoncashOrPartNoncashDivestitureAdjustmentToConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_StockRepurchaseProgramNumberOfDirectorsToAuthorizeRepurchases" abstract="false" name="StockRepurchaseProgramNumberOfDirectorsToAuthorizeRepurchases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="appf_MyCaseMember" abstract="true" name="MyCaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="appf_LesseeOperatingLeaseTenantAllowanceYearOne" abstract="false" name="LesseeOperatingLeaseTenantAllowanceYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_InvestmentSecuritiesAndFairValueMeasurementsDisclosureTextBlock" abstract="false" name="InvestmentSecuritiesAndFairValueMeasurementsDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="appf_DeferredTaxLiabilitiesStateTaxes" abstract="false" name="DeferredTaxLiabilitiesStateTaxes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_IncreaseDecreaseInOperatingLeases" abstract="false" name="IncreaseDecreaseInOperatingLeases" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_AvailableForSaleSecuritiesMaximumContractualMaturity" abstract="false" name="AvailableForSaleSecuritiesMaximumContractualMaturity" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="appf_RestrictedStockUnitsValueSharesIssuedNetOfTaxWithholdings" abstract="false" name="RestrictedStockUnitsValueSharesIssuedNetOfTaxWithholdings" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_DisposalGroupIncludingDiscontinuedOperationWorkingCapitalAdjustment" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationWorkingCapitalAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_OperatingLeasePrepaidExpensesAndOtherCurrentAssets" abstract="false" name="OperatingLeasePrepaidExpensesAndOtherCurrentAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_ValuePlusServicesMember" abstract="true" name="ValuePlusServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="appf_TechnologyMember" abstract="true" name="TechnologyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="appf_DeferredTaxLiabilitiesCapitalizedCommissions" abstract="false" name="DeferredTaxLiabilitiesCapitalizedCommissions" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_PropertyLiabilityAndCasualtyInsurancePerIncidentAndPerResidenceCoverageLimit" abstract="false" name="PropertyLiabilityAndCasualtyInsurancePerIncidentAndPerResidenceCoverageLimit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_DisposalGroupIncludingDiscontinuedOperationRetentionPeriod" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationRetentionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="appf_BusinessCombinationConsiderationAccruedButNotYetPaid" abstract="false" name="BusinessCombinationConsiderationAccruedButNotYetPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_CapitalizedComputerSoftwareAmortizationExpenseYearOne" abstract="false" name="CapitalizedComputerSoftwareAmortizationExpenseYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_CapitalizedComputerSoftwareAmortizationExpenseYearThree" abstract="false" name="CapitalizedComputerSoftwareAmortizationExpenseYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_RestrictedStockUnitsWithServiceConditionsMember" abstract="true" name="RestrictedStockUnitsWithServiceConditionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="appf_CommonStockAutomaticConversionThreshold" abstract="false" name="CommonStockAutomaticConversionThreshold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="appf_ScheduleOfFiniteLivedIntangibleAssetsExcludingInternalUseSoftwareDevelopmentFutureAmortizationExpenseTableTextBlock" abstract="false" name="ScheduleOfFiniteLivedIntangibleAssetsExcludingInternalUseSoftwareDevelopmentFutureAmortizationExpenseTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="appf_DatabaseMember" abstract="true" name="DatabaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="appf_RestrictedStockUnitsSharesIssuedNetOfSharesForTaxWithholdings" abstract="false" name="RestrictedStockUnitsSharesIssuedNetOfSharesForTaxWithholdings" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="appf_SharebasedCompensationArrangementsbySharebasedPaymentAwardPercentOfAwardTargetPerformanceMetric" abstract="false" name="SharebasedCompensationArrangementsbySharebasedPaymentAwardPercentOfAwardTargetPerformanceMetric" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="appf_EquityMethodInvestmentRealizedGainLossOnDisposalAndGainFromRecoveryOfNoteReceivable" abstract="false" name="EquityMethodInvestmentRealizedGainLossOnDisposalAndGainFromRecoveryOfNoteReceivable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_DepreciationDepletionandAmortizationExcludingAmortizationofFinancingCosts" abstract="false" name="DepreciationDepletionandAmortizationExcludingAmortizationofFinancingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_ConversionOfStockNumberOfSharesIssuableUponConversion" abstract="false" name="ConversionOfStockNumberOfSharesIssuableUponConversion" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="appf_IncreaseDecreaseInEmployeeRelatedLiabilitiesNoncurrent" abstract="false" name="IncreaseDecreaseInEmployeeRelatedLiabilitiesNoncurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_DeferredTaxAssetsLeasingArrangements" abstract="false" name="DeferredTaxAssetsLeasingArrangements" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_CapitalizedComputerSoftwareAmortizationExpenseYearFour" abstract="false" name="CapitalizedComputerSoftwareAmortizationExpenseYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_OtherServicesMember" abstract="true" name="OtherServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="appf_LesseeOperatingLeaseTenantAllowanceYearTwo" abstract="false" name="LesseeOperatingLeaseTenantAllowanceYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_ChangesInValuationAllowanceRollForward" abstract="true" name="ChangesInValuationAllowanceRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="appf_ScheduleOfCapitalizedComputerSoftwareTableTextBlock" abstract="false" name="ScheduleOfCapitalizedComputerSoftwareTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="appf_LesseeOperatingLeaseLiabilityNetOfCurrentPortion" abstract="false" name="LesseeOperatingLeaseLiabilityNetOfCurrentPortion" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_AmortizationOfOperatingLeaseRightOfUseAssets" abstract="false" name="AmortizationOfOperatingLeaseRightOfUseAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_SecureDocsMember" abstract="true" name="SecureDocsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="appf_CommonClassBToCommonClassAMember" abstract="true" name="CommonClassBToCommonClassAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="appf_CapitalizedComputerSoftwareAdditionsIncurredButNotYetPaid" abstract="false" name="CapitalizedComputerSoftwareAdditionsIncurredButNotYetPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_CapitalizedComputerSoftwareAmortizationExpenseYearTwo" abstract="false" name="CapitalizedComputerSoftwareAmortizationExpenseYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="appf_PropertyLiabilityAndCasualtyInsuranceDepositsHeldWithThirdPartyAsCollateralForServices" abstract="false" name="PropertyLiabilityAndCasualtyInsuranceDepositsHeldWithThirdPartyAsCollateralForServices" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
