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

https://wiki-fusion.win/index.php/How_Do_I_Cancel_a_Subscription_on_Console.x.ai%3F

If Apple billed your SuperGrok subscription, you can request a refund at reportaproblem.apple.com. Navigate to iOS Subscriptions, find SuperGrok, and select "Report a Problem