If Apple billed your SuperGrok subscription and you want a refund, visit...

https://www.red-bookmarks.win/if-you-want-a-refund-for-supergrok-first-double-check-who-actually-billed

If Apple billed your SuperGrok subscription and you want a refund, visit reportaproblem.apple.com and sign in. Choose iOS Subscriptions, find SuperGrok, and request a refund there