<SUBMISSION>
<ACCESSION-NUMBER>0001491778-17-000230
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20170929
<FILING-DATE>20171003
<DATE-OF-FILING-DATE-CHANGE>20171003
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Durchslag Scott A
<CIK>0001652734
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-35339
<FILM-NUMBER>171120238
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>1030 EAST WASHINGTON STREET
<CITY>INDIANAPOLIS
<STATE>IN
<ZIP>46202
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>Angie's List, Inc.
<CIK>0001491778
<ASSIGNED-SIC>7310
<IRS-NUMBER>272440197
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>1030 EAST WASHINGTON STREET
<STREET2>SUITE 100
<CITY>INDIANAPOLIS
<STATE>IN
<ZIP>46202
<PHONE>317-803-3973
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1030 EAST WASHINGTON STREET
<STREET2>SUITE 100
<CITY>INDIANAPOLIS
<STATE>IN
<ZIP>46202
</MAIL-ADDRESS>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_150708171396086.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
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<ownershipDocument>

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    <documentType>4</documentType>

    <periodOfReport>2017-09-29</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001491778</issuerCik>
        <issuerName>Angie's List, Inc.</issuerName>
        <issuerTradingSymbol>ANGI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
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            <rptOwnerCik>0001652734</rptOwnerCik>
            <rptOwnerName>Durchslag Scott A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ANGIE'S LIST, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1030 EAST WASHINGTON STREET</rptOwnerStreet2>
            <rptOwnerCity>INDIANAPOLIS</rptOwnerCity>
            <rptOwnerState>IN</rptOwnerState>
            <rptOwnerZipCode>46202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President &amp; CEO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
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            </transactionDate>
            <transactionCoding>
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                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
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                <transactionAcquiredDisposedCode>
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                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
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    <derivativeTable>
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                <transactionPricePerShare>
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            </transactionAmounts>
            <exerciseDate>
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            <expirationDate>
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        <derivativeTransaction>
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            <transactionDate>
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                <transactionCode>D</transactionCode>
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            <transactionAmounts>
                <transactionShares>
                    <value>239923</value>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            <expirationDate>
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            <underlyingSecurity>
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                    <value>Common Stock</value>
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                    <footnoteId id="F4"/>
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            <ownershipNature>
                <directOrIndirectOwnership>
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        <derivativeTransaction>
            <securityTitle>
                <value>Performance Restricted Stock Units (PRSU)</value>
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            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
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            <transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>328309</value>
                </transactionShares>
                <transactionPricePerShare>
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                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
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                </transactionAcquiredDisposedCode>
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                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F7"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>328309.0</value>
                    <footnoteId id="F6"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
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                <directOrIndirectOwnership>
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                </directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>8.82</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-09-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>289270</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2026-02-26</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
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                    <footnoteId id="F2"/>
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            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units (RSU)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.0</value>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-09-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>98392</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F4"/>
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            <expirationDate>
                <footnoteId id="F5"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                <underlyingSecurityShares>
                    <value>98392.0</value>
                    <footnoteId id="F4"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On September 29, 2017, the closing date of the transactions (the &quot;Closing&quot;) contemplated by the Agreement and Plan of Merger, dated as of May 1, 2017, as amended by Amendment No. 1 to the Agreement and Plan of Merger, dated as of August 26, 2017 (the &quot;Merger Agreement&quot;), by and among Angie's List, Inc. (&quot;Angie's List&quot;), IAC/InterActiveCorp, ANGI Homeservices Inc. (&quot;ANGI Homeservices&quot;) and Casa Merger Sub, Inc., the outstanding shares of common stock of Angie's List (&quot;Angie's List Common Stock&quot;) held by the Reporting Person were cancelled and converted on a 1:1 basis into shares of Class A common stock of ANGI Homeservices (&quot;ANGI Homeservices Class A Common Stock&quot;).</footnote>
        <footnote id="F2">In connection with the Closing and pursuant to the Merger Agreement, the outstanding options to purchase shares of Angie's List Common Stock were converted on a 1:1 basis into options to purchase shares of ANGI Homeservices Class A Common Stock, subject to the same terms and conditions, including vesting and the per share exercise price, as applied to such options to purchase Angie's List Common Stock immediately prior to the Closing. The unvested portion of these options was subsequently accelerated in full upon the termination of the Reporting Person on October 1, 2017 in connection with the Closing.</footnote>
        <footnote id="F3">Each RSU/PRSU represents a contingent right to receive one share of the Issuer's common stock upon settlement, and there is no exercise price associated with the RSUs.</footnote>
        <footnote id="F4">In connection with the Closing and pursuant to the Merger Agreement, the outstanding Angie's List RSUs were converted on a 1:1 basis into RSUs for shares of ANGI Homeservices Class A Common Stock, subject to the same terms and conditions as applied to such RSUs for shares of Angie's List Common Stock immediately prior to the Closing. Upon the termination of the Reporting Person on October 1, 2017 in connection with the Closing, the vesting of the RSUs was subsequently accelerated in full, resulting in the conversion of such RSUs into shares of ANGI Homeservices Class A Common Stock.</footnote>
        <footnote id="F5">There is no expiration date with respect to RSUs.</footnote>
        <footnote id="F6">In connection with the Closing and pursuant to the Merger Agreement, the outstanding Angie's List PRSUs, which were a component of the Reporting Person's at-hire PRSU grant, were converted on a 1:1 basis into PRSUs for shares of ANGI Homeservices Class A Common Stock, subject to the same terms and conditions as applied to such PRSUs for shares of Angie's List Common Stock immediately prior to the Closing. Upon the termination of the Reporting Person on October 1, 2017 in connection with the Closing, the vesting of the third tranche of the at-hire PRSU grant, representing 89,538 PRSUs, which was earned on June 15, 2017, was subsequently accelerated in full, resulting in the conversion of such PRSUs into shares of ANGI Homeservices Class A Common Stock, while the fourth tranche of the at-hire PRSU grant, representing 238,771 PRSUs, was forfeited as the applicable stock price target was not achieved.</footnote>
        <footnote id="F7">Once earned, there is no expiration date with respect to PRSUs.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Shannon M. Shaw, as Attorney-in-fact</signatureName>
        <signatureDate>2017-10-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
