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

https://www.bookmark-xray.win/if-you-want-a-refund-for-supergrok-first-double-check-who-actually-billed

If Apple billed you for your SuperGrok subscription, visit reportaproblem.apple.com to request a refund. Go to your iOS Settings, tap your Apple ID, then Subscriptions to see your active plans