If Apple billed your SuperGrok subscription, visit reportaproblem.apple.com to...

https://bravo-wiki.win/index.php/Can_I_Request_a_Refund_for_the_Wrong_Subscription_like_X_Premium_Instead_of_SuperGrok%3F

If Apple billed your SuperGrok subscription, visit reportaproblem.apple.com to request a refund. You can also check your iOS Subscriptions settings to manage or cancel the subscription