If Apple billed your SuperGrok subscription by mistake, you can request a...

https://mag-wiki.win/index.php/I_Requested_a_Refund_%E2%80%93_Will_I_Lose_Access_to_SuperGrok_Immediately%3F

If Apple billed your SuperGrok subscription by mistake, you can request a refund at reportaproblem.apple.com. Go to the iOS Subscriptions section, find SuperGrok, and submit your refund request