If you specifically want an offline APK, several talented developers have created "GTA 5 Unity" or "GTA 5 Test" builds.
If GTA V is currently in the Game Pass library, you can stream it directly to your phone. Official Rockstar version, cloud saves, achievements. gta 5 android apkobb download gta v mobile ios top
These are not the full game and will not receive official updates. 3. GTA 5 for iOS (iPhone & iPad) If you specifically want an offline APK, several