Updating iOS app almost doubles size in iTunes

Hiya there,

When I previously updated one of my apps on the App Store (created using Unity iPhone 1.7, though I’m now on Unity 3), the size of the app almost doubled on the App Store.

Is this normal behaviour? If I were to make a new app in Unity 3 and release it on the app store, and then release an update, would I still get this problem?

If anyone could shed some light on this then it would be greatly appreciated! I know this may not strictly be a Unity question as such, but I tend to get better answers from people here :wink:

(Assuming you haven’t made any major changes in your update) Since you say that you haven’t built a new version since 1.7, my guess is that it is just from all the little changes from 1.7 to 3.x. I don’t think that there is one specific feature that bloated your app size, but there are probably lots of little things causing it to increase.

Two things that might have increased your build size some:

  • In the build settings, make sure you use the Mono subset. It strips some libraries and will benefits overall build size.
  • Target architecture might greatly bloat your player size. Unity 3.x let’s you Build to ARMV 6 or 7 and that can cause your build size to increase by a lot.