How do I cancel the Apple TV app?

This is a user helping other users with tech questions

forum, you are not addressing apple here  just  fellow users

so no, we can't

but you can

How to cancel a subscription from Apple - Apple Support

If you followed the directions in the link and you still cannot cancel your subscription, please call AppleCare. If they are closed for the day, call in the morning.

AppleCare contact Information

Click on the blue text or click on this blue text

https://getsupport.apple.com/