If Apple billed your SuperGrok subscription and you want a refund, go to...

https://smart-wiki.win/index.php/I_Got_Charged_for_SuperGrok_and_I_Don%E2%80%99t_Recognize_It_%E2%80%93_What_Now%3F

If Apple billed your SuperGrok subscription and you want a refund, go to reportaproblem.apple.com and sign in. Navigate to iOS Subscriptions, find SuperGrok, and request a refund there