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

https://www.toro-bookmarks.win/if-you-want-a-refund-for-supergrok-first-check-who-billed-you-sometimes

If Apple billed your SuperGrok subscription, go to reportaproblem.apple.com to request a refund. You can also check your iOS Settings under Subscriptions to manage or cancel it