If Apple billed your SuperGrok subscription, go to reportaproblem.apple.com to...
https://www.a1bookmarks.win/if-apple-billed-your-supergrok-subscription-you-can-request-a-refund-at-2
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