If you want a refund for SuperGrok, first check who billed you—Apple or a third...

https://yenkee-wiki.win/index.php/Is_There_a_Difference_Between_Canceling_SuperGrok_and_Ending_It_Immediately%3F

If you want a refund for SuperGrok, first check who billed you—Apple or a third party. Look at your iOS Subscriptions in Settings to confirm. Keep in mind, canceling your subscription doesn’t automatically get you a refund