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  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001837400</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001433195</issuerCik>
      <issuerName>APPFOLIO INC</issuerName>
      <secFileNumber>001-37468</secFileNumber>
      <issuerAddress>
        <com:street1>70 CASTILIAN DRIVE</com:street1>
        <com:city>SANTA BARBARA</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>93117</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>8053646047</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Trigg William Shane</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>COMMON CL A</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>THE CHARLES SCHWAB CORPORATION</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>5900</noOfUnitsSold>
      <aggregateMarketValue>1247555.00</aggregateMarketValue>
      <noOfUnitsOutstanding>23047322</noOfUnitsOutstanding>
      <approxSaleDate>05/16/2025</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON CL A</securitiesClassTitle>
      <acquiredDate>04/13/2020</acquiredDate>
      <natureOfAcquisitionTransaction>RSU's Acquired via following date range: 4/13/20 TO 1/24/24</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>5900</amountOfSecuritiesAcquired>
      <paymentDate>04/13/2020</paymentDate>
      <natureOfPayment>NA</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>WILLIAM SHANE TRIGG</name>
        <address>
          <com:street1>70 Castilian Drive</com:street1>
          <com:city>Santa Barbara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>93117</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <saleDate>02/18/2025</saleDate>
      <amountOfSecuritiesSold>3501</amountOfSecuritiesSold>
      <grossProceeds>760662.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>05/16/2025</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>05/10/2024</planAdoptionDate>
      </planAdoptionDates>
      <signature>WILLIAM SHANE TRIGG</signature>
    </noticeSignature>
  </formData>
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144
0001837400
XXXXXXXX
LIVE
0001433195
APPFOLIO INC
001-37468
70 CASTILIAN DRIVE
SANTA BARBARA
CA
93117
8053646047
Trigg William Shane
Officer
COMMON CL A
THE CHARLES SCHWAB CORPORATION
3000 Schwab Way
Westlake
TX
76262
5900
1247555.00
23047322
05/16/2025
NASDAQ
COMMON CL A
04/13/2020
RSU's Acquired via following date range: 4/13/20 TO 1/24/24
ISSUER
N
5900
04/13/2020
NA
N
WILLIAM SHANE TRIGG
70 Castilian Drive
Santa Barbara
CA
93117
COMMON
02/18/2025
3501
760662.00
05/16/2025
05/10/2024
WILLIAM SHANE TRIGG