Reasons of the update absence:
- The update is not available in the store - you have to wait a little bit / reboot the device;
- lack of storage memory;
- maintenance work on Apple servers;
- unstable internet connection;
- Wi-Fi connection is required for updating the game;
- Your current iOS version is no longer supported. You need to have at least iOS 10 to download this app.;
- the device is not compatible.