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

https://wiki-net.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. Open Settings on your iPhone, go to your Apple ID, then Subscriptions to manage or cancel it