If Apple billed your SuperGrok subscription, go to reportaproblem.apple.com to...

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

If Apple billed your SuperGrok subscription, go to reportaproblem.apple.com to request a refund. Navigate to the iOS Subscriptions section, find SuperGrok, and report the issue. Remember, canceling the subscription won’t automatically give you a refund