Unfortunately. the game no longer supports Apple devices running iOS 10 and earlier versions of the OS.
If you're playing on a device with iOS 10 or below, please update it to the last available version by following the instructions on the Apple support page.
If your device does not support newer versions of iOS, we recommend transferring your game to another device.
Please note: you can transfer your game without losing progress to any of the available platforms (iOS, Android, Windows, Amazon, GI Web, GI Desktop/PC).