If Apple billed you for a SuperGrok subscription and you want a refund, visit...

https://city-wiki.win/index.php/Apple_Refund_Request_Submitted_%E2%80%93_How_Do_I_Check_the_Status%3F

If Apple billed you for a SuperGrok subscription and you want a refund, visit reportaproblem.apple.com to request one. Remember, canceling your subscription in iOS settings stops future payments but doesn’t refund past charges