iphone 5S apps when clicked produce blank screen
On iphone 5S, apps do not open when clicked; home screen reappears immediately. Shutting off iPhone has no effect.
iPhone 5s
Try deleting and reinstalling the apps you're having problems with. If it's still not working or the apps can't be deleted, you may need to backup and restore the phone.
If an app you installed unexpectedly quits, stops responding, or won’t open - Apple Support