If Apple billed your SuperGrok subscription, visit reportaproblem.apple.com to...

https://wiki-dale.win/index.php/How_Do_I_Write_the_Refund_Explanation_for_Apple_Without_Getting_Rejected%3F

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