If an app is crashing, won't respond, won't open, or isn't working properly, follow these steps:
Try all solutions, or have end user try solutions, before reporting an issue or submitting a Bug Report. In order to investigate an issue, we'll need you to provide the outcome after trying each solution.
1: Restart device
2: Check for Updates: Open Settings on device, then tap >System >Advanced >System update.
3: Uninstall App: Touch & hold app >Start dragging app >Drag app to Uninstall at top of screen
4: Reinstall App: Open Google Play, then tap >Menu >My apps & games >Library. Tap app, then Install.
Google Support: https://support.google.com/googleplay/answer/2668665?hl=en
1: Force quit the app, then open it again
-No Home Button: swipe up from bottom of screen; swipe right/left to find app; swipe up to close app
-Home Button: double-click to show recent apps; swipe right/left to find app; swipe up to close app.
2: Restart Device: Restart your device, then open app to see if it works as expected.
3: Check for Apple Updates: https://support.apple.com/en-us/HT20420
4: Reinstall App: Open Settings >tap General >iPhone/iPad Storage. Tap app, then Offload app. Tap Offload app again. Wait a moment for the app to offload, then tap Reinstall App.
Apple Support: https://support.apple.com/en-us/HT201398
-If User has In-App Subscription but can't access content: Restore Purchase