I don't know the status of iOS, but Android has done some work on sending diffs on updates, so real sizes should be smaller: https://android-developers.googlebl

I don't know the status of iOS, but Android has done some work on sending diffs on updates, so real sizes should be smaller: https://android-developers.googleblog.com/2016/07/improvements-for-smaller-app-downloads.html https://android-developers.googleblog.com/2016/07/improvemen... Doesn't do anything for size on disk, but should help network a lot.