If you want a refund for SuperGrok, first check who actually billed...

https://mighty-wiki.win/index.php/How_Do_I_Request_a_Refund_If_SuperGrok_Fails_to_Work_as_Expected%3F

If you want a refund for SuperGrok, first check who actually billed you—sometimes it’s through Apple or directly from the developer. Look at your iOS Subscriptions to confirm. Remember, canceling doesn’t automatically give you a refund