POWER OF ATTORNEY

        Know all by these presents that the undersigned hereby constitutes and
appoints each Victoria Valenzuela, Lonnie Yu Huang and Pamela Anderson of
AppLovin Corporation (the "Company"), signing individually, the undersigned's
true and lawful attorneys-in-fact and agents to:

        (1) prepare, execute in the undersigned's name and on the undersigned's
behalf, and submit to the Securities and Exchange Commission (the "SEC") a Form
ID, including amendments thereto, and any other documents necessary or
appropriate to obtain codes and passwords enabling the undersigned to make
electronic filings with the SEC of reports required by Section 16(a) of the
Securities Exchange Act of 1934, as amended (the "Exchange Act") or any rule or
regulation thereunder;

        (2) prepare, execute in the undersigned's name and on the undersigned's
behalf, and submit to the SEC Forms 3, 4 and 5 (including amendments thereto and
joint filing agreements in connection therewith) with respect to the securities
of the Company in accordance with Section 16(a) of Exchange Act and the rules
thereunder;

        (3) do and perform any and all acts for and on behalf of the undersigned
that may be necessary or desirable to prepare and execute any such Form 3, 4 or
5 (including amendments thereto and joint filing agreements in connection
therewith) and file such Forms with the SEC and any stock exchange, self-
regulatory association or any other authority; and

        (4) take any other action of any type whatsoever in connection with the
foregoing that, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required of the undersigned, it being
understood that the documents executed by the attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall
contain such terms and conditions as the attorney-in-fact may approve in the
attorney-in-fact's discretion.

        The undersigned hereby grants to each such attorney in fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney in fact, or such attorney in fact's substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney and the
rights and powers herein granted.  The undersigned acknowledges that the
foregoing attorneys-in-fact, and their substitutes, in serving in such capacity
at the request of the undersigned, are not assuming (nor is the Company
assuming) any of the undersigned's responsibilities to comply with Section 16 of
the Exchange Act.

        This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
Company and the attorneys-in fact.  This Power of Attorney revokes any other
power of attorney that the undersigned has previously granted to representatives
of the Company.

This Power of Attorney is executed as of the date set forth below.

Signature:  /s/ Elena Arutunian
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Print Name:  Elena Arutunian
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Dated:  3/2/2021
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