If Apple billed your SuperGrok subscription by mistake, visit...

https://atomic-wiki.win/index.php/How_Do_I_Find_My_SuperGrok_Purchase_in_Apple_Purchase_History%3F

If Apple billed your SuperGrok subscription by mistake, visit reportaproblem.apple.com to request a refund directly from Apple. You can also check your iOS device under Settings > your name > Subscriptions to manage or cancel it