If Apple billed you for a SuperGrok subscription, visit...

https://www.coast-bookmarks.win/if-you-want-a-refund-for-supergrok-first-double-check-who-charged-you-by

If Apple billed you for a SuperGrok subscription, visit reportaproblem.apple.com to request a refund. Cancelling the subscription on your iOS device under Settings > Subscriptions stops future charges but doesn’t automatically refund past payments