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

https://wiki-cafe.win/index.php/How_Do_I_Request_an_Apple_Refund_for_SuperGrok%3F

If Apple billed your SuperGrok subscription, you can request a refund at reportaproblem.apple.com. Go to your iOS Settings, tap your name, then Subscriptions to manage or cancel. Remember, canceling stops future charges but doesn’t refund past payments