If Apple billed your SuperGrok subscription by mistake, visit...

https://wiki-mixer.win/index.php/I_Got_Charged_for_SuperGrok_and_I_Don%27t_Recognize_It_%E2%80%94_What_Now%3F

If Apple billed your SuperGrok subscription by mistake, visit reportaproblem.apple.com to request a refund. Navigate to your iOS Subscriptions under your Apple ID to find SuperGrok and submit a refund request there