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

https://aged-wiki.win/index.php/What_Does_It_Mean_if_SuperGrok_Shows_Under_Subscriptions_but_No_Options_Appear%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