For key considerations when preparing your app for Google Play and Android
privacy changes, see
Privacy strategies for Android.
Publisher first-party ID, formerly known as same app key
Prerequisites:
Google Mobile Ads SDK
21.4.0 or
higher
The
Google Mobile Ads SDK
introduced
Publisher first-party ID,
formerly known as same app key to help you deliver more relevant and
personalized ads by using data collected from your apps.
Publisher first-party ID is enabled by default, but you can disable it using the
following method.
[null,null,["Last updated 2025-03-06 UTC."],[[["The Google Mobile Ads SDK now uses Publisher first-party ID (formerly same app key) to deliver more relevant ads using app data."],["Publisher first-party ID is enabled by default in Google Mobile Ads SDK 21.4.0 and higher."],["You can disable Publisher first-party ID using `MobileAds.putPublisherFirstPartyIdEnabled(false)` in your code."],["While the name and API have changed, existing same app key activations for SDK versions 21.4.0 to 22.5.0 remain unaffected."],["Refer to the Privacy strategies for Android page for key considerations regarding Google Play and Android privacy changes."]]],["The key update involves the renaming of \"same app key\" to \"Publisher first-party ID\" within the Google Mobile Ads SDK, specifically in version 22.6.0. This change does not affect prior activations in SDK versions 21.4.0 to 22.5.0. Publisher first-party ID is designed to enhance ad relevance using app data. It's enabled by default, but can be disabled using `MobileAds.putPublisherFirstPartyIdEnabled(false)` in Kotlin or Java. Consult the linked documentation for privacy strategies related to Android.\n"]]
