If you are unable to update the game on iOS, please try the following:
1. Open the App Store.
2. Find the game and check if the update is available.
3. If the update does not appear, pull down the screen to refresh the page.
If the issue persists, you may try reinstalling the game.
Important:
Please make sure your account is linked to Apple ID / Game Center before reinstalling, otherwise your progress may be lost.
To reinstall the game:
1. Open Settings.
2. Go to General → iPhone Storage.
3. Find the game in the list.
4. Tap "Delete App" and confirm.
After that:
1. Reinstall the game from the App Store.
2. Launch the game and log in using the same Apple ID / Game Center account to restore your progress.