If Apple billed your SuperGrok subscription by mistake, go to...

https://alpha-wiki.win/index.php/How_Do_I_Cancel_and_Refund_SuperGrok_if_I_Have_Both_iPhone_and_iPad%3F

If Apple billed your SuperGrok subscription by mistake, go to reportaproblem.apple.com to request a refund. You can also check your iOS settings under Subscriptions to view charges