Google is now doing away with APK files. As of August 2021, Google mandated developers to upload new Android apps to the Google Play Store in AAB format.

Since the launch of Android over a decade ago, APK files have been the universal format for apps. Whether developers or users, whether it is on the Google Play Store, APKMirror, APKPure or APKMod - it was always APKs that were offered. For developers, AABs will now become mandatory and for Android users, APKs will become a more complicated affair.

AABs has become mandatory for all new apps since August 2021. Updates for existing apps can still be uploaded by developers in APK format, so nothing will change in this department for now.


What is an AAB file actually?
"AAB" stands for Android App Bundle. The AAB file contains the entire program code of the Android app. As soon as app development is complete, the developer uploads the app to the Google Play Store in AAB format, with the user (you) downloading it from Google Play store to your smartphone just like before.

Why did Google introduce AAB over APK?
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