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

https://www.list-bookmarks.win/if-you-want-a-refund-for-supergrok-first-make-sure-apple-actually-billed

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