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

https://www.bookmarkmaster.win/if-you-want-a-refund-for-supergrok-first-confirm-whether-apple-or-another

If Apple billed your SuperGrok subscription by mistake, visit reportaproblem.apple.com to request a refund directly from Apple. Remember, canceling your subscription in iOS Settings under Subscriptions stops future payments but doesn’t refund past charges