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

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

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