
Each APK is a complete and independent version of the app, but they share the same application and package name, and be signed with the same release key. The other XAPK file format is made of Android App Bundle to generate and serve optimized APKs for each user’s device configuration. XAPK file = Base APK file + Split APK files.Ģ. XAPK = APK + OBB data + Cache + App Icon and Miscellaneous Info The expansion files can be any format you choose (ZIP, PDF, MP4, etc.) and they usually contain additional resources required by your app.


Google Play hosts the expansion files for your app and serves them to the device at no cost to you. Google Play Store has a limitation on the app file size, therefore for the app over 100MB, developers can use XAPK file format to allow users download the APK file on PC using Emulators without corruption. XAPK is a standard zip format which contains Android App Bundles, or installation package (.apk), OBB, cache asserts and other data files to make sure the app download to an Android and run successfully.
