To get a refund for your SuperGrok subscription billed through Apple, visit...

https://echo-wiki.win/index.php/How_Do_I_Request_an_Apple_Refund_for_SuperGrok%3F

To get a refund for your SuperGrok subscription billed through Apple, visit reportaproblem.apple.com and sign in with your Apple ID. Choose the iOS Subscriptions section, find SuperGrok, and request a refund