If Apple billed your SuperGrok subscription by mistake, visit...
https://smart-wiki.win/index.php/What_is_the_Fastest_Way_to_Confirm_Who_Billed_My_SuperGrok_Subscription%3F
If Apple billed your SuperGrok subscription by mistake, visit reportaproblem.apple.com to request a refund. Go to Settings > your name > Subscriptions on your iPhone to manage or cancel, but remember canceling won’t refund past charges