If you want a refund for SuperGrok, first make sure Apple actually billed you....

https://wiki-site.win/index.php/What_Is_the_Exact_Site_to_Request_a_SuperGrok_Refund_from_Apple%3F

If you want a refund for SuperGrok, first make sure Apple actually billed you. Check your iOS Subscriptions or purchase history to confirm. Remember, simply canceling the subscription doesn't give you a refund. To request one, go to reportaproblem.apple