If Apple billed your SuperGrok subscription, you can request a refund at...

https://uniform-wiki.win/index.php/Is_There_a_Faster_Way_to_Get_an_Apple_Refund_for_SuperGrok%3F

If Apple billed your SuperGrok subscription, you can request a refund at reportaproblem.apple.com. Just log in, go to your iOS Subscriptions, select SuperGrok, and follow the steps to report a problem