For your game's save files to transfer between your Apple devices, you need to ensure the following:
- Both devices are logged in to the same iCloud and Game Center account.
- Both devices have a stable internet connection. The devices do not need to be connected to the same network, but both need access to the internet.
- The game's version is up to date and is identical on both devices
If you are still having issues after checking that all of the above points apply, please don't hesitate to submit a ticket to our support! We'd be happy to help.