If you want a refund for SuperGrok, first double-check who charged...

https://wiki-quicky.win/index.php/Reportaproblem.apple.com_Won%E2%80%99t_Show_My_SuperGrok_Purchase:_What_to_Do

If you want a refund for SuperGrok, first double-check who charged you—sometimes it’s through Apple, sometimes directly from the developer. Look in your iOS Subscriptions to see if it’s billed there