iOS version is 10 times larger than android game

My game “Just 5” is 26 MB on Android (57.66 MB after installation) and on iOS it is 43.2 MB, but after installing the game on my iphone 5s its size becomes 548 MB (screenshots attached)


Does anybody know what might cause this? These are my settings:

This is expected, unfortunately. It has to do with all of the stuff they needed to add for IL2CPP and 64-bit support. I have not heard of any focus on making this better.