If Apple billed your SuperGrok subscription and you want a refund, visit...

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

If Apple billed your SuperGrok subscription and you want a refund, visit reportaproblem.apple.com to submit a refund request. You can also check your iOS device’s Settings under your Apple ID, then Subscriptions to manage or cancel