If Apple billed your SuperGrok subscription, visit reportaproblem.apple.com to...

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

If Apple billed your SuperGrok subscription, visit reportaproblem.apple.com to request a refund. Go to the iOS Subscriptions section to find your purchase and submit your refund reason