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

https://www.pop-bookmarks.win/if-you-want-a-refund-for-supergrok-first-check-who-charged-you-it-s-usually

If Apple billed your SuperGrok subscription by mistake, visit reportaproblem.apple.com to request a refund. Go to Settings > your name > Subscriptions on your iPhone to manage or cancel, but remember canceling won’t refund past charges