iOS) Is there a way to change the GADApplicationIdentifier value at runtime?

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Myoungkyu Shin

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Aug 14, 2025, 6:11:43 PM8/14/25

to Google Mobile Ads SDK Developers

Hello, team,

We are currently reviewing whether it is possible to use multiple GADApplicationIdentifiers in a single app.

By default, the GADApplicationIdentifier is set in the info.plist file.
I am wondering if it is possible to change this value at runtime, as shown in the example below.

[Example]
App IDs

App ID: TestA
App ID: TestB
App ID: TestC

Scenario

info.plist > GADApplicationIdentifier is set to TestA
Is it possible to change GADApplicationIdentifier to TestB or TestC at runtime (while the app is running)?

Thank you.

Mobile Ads SDK Forum Advisor

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Aug 18, 2025, 3:36:22 AM8/18/25

to ikaru...@gmail.com, google-adm...@googlegroups.com

Hi,
Thank you for contacting the GMA SDK Support team.

Please find the answers to your questions below:

Q: Is it possible to use multiple GADApplicationIdentifier values in a single app?
A: No, it's not possible. The SDK only supports one GADApplicationIdentifier per app.

Q: Can the GADApplicationIdentifier be changed at runtime (while the app is running)?
A: No, it is not supported to change the GADApplicationIdentifier at runtime. The SDK reads the App ID once during app launch from the Info.plist file.

Q: Can I switch from one App ID (e.g., TestA) to another (e.g., TestB or TestC) after the app has launched?
A: No, switching App IDs during runtime is not supported. Only the App ID defined in Info.plist at launch will be used by the SDK.

Thanks,

Mobile Ads SDK Team

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[2025-08-18 07:35:31Z GMT] This message is in relation to case "ref:!00D1U01174p.!500Ht01szDLc:ref" (ADR-00330020)

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