1) If you have access to the account on desktop:
Go to the App Setting page on Facebook
Remove Hinge from the list of apps authorized to access your loved one’s Facebook account
2) If you have access to the account on mobile:
Open the Facebook app and tap “More” in the bottom right hand corner.
Go to “Settings,” and then “Account Settings.”
Scroll down and go to “Apps."
Go to “Logged in on Facebook.”
Go to ”Hinge,” and then hit “Remove app” at the very bottom of the screen