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

https://fun-wiki.win/index.php/How_Do_I_Check_If_Apple_Already_Processed_My_SuperGrok_Refund%3F

If you want a refund for SuperGrok, first double-check who actually charged you—sometimes it’s Apple, other times a third party. Look in your iOS Subscriptions to confirm. Remember, canceling the subscription doesn’t get your money back automatically