Before you delete the BET+ app, be sure you’ve canceled the service. Deleting the app does not cancel the BET+ service.

On iTunes on a computer, please go
to Settings > Accounts > Subscriptions, and turn off Auto-Renewal.
To delete BET+ from your Apple TV:
  1. Navigate to the Settings menu
  2. Press General
  3. Scroll down and press Manage Storage
  4. Scroll to the BET+ app and press the little trash can icon on the right
  5. Confirm your selection and you’re all done!
Please remember: you can cancel your subscription at any time, but to avoid auto-renew charges, you must cancel at least 24 hours BEFORE the end of your free trial or current billing period.