If you’re having trouble logging in, it may be temporary, so please try again at a later time.
If the issue persists, there are a few things you can try. First, please make sure you're using the latest version of Hinge.
Try force quitting the app: double tap the Home button, swipe Hinge up to force quit the app, and try opening your Hinge App again. Make sure that you're signing in with the correct Facebook account in the Facebook app and your phone's iOS settings.
Try force quitting the app: go to “Settings”, find “Apps”, select Hinge, hit “Force quit”, and open your Hinge App again. If this doesn’t solve the problem, go the phone settings, find “Apps”, select Hinge, choose “Storage”, and hit “Clear data”.