If Apple billed your SuperGrok subscription by mistake, visit...

https://www.play-bookmarks.win/if-apple-billed-your-supergrok-subscription-and-you-want-a-refund-visit-1

If Apple billed your SuperGrok subscription by mistake, visit reportaproblem.apple.com to request a refund directly. You can also check your iOS settings under Subscriptions to manage or cancel