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

https://golf-wiki.win/index.php/What_if_SuperGrok_Isn%27t_Listed_Under_Subscriptions_But_I_Was_Charged%3F

If Apple billed your SuperGrok subscription by mistake, visit reportaproblem.apple.com to request a refund directly from Apple. You can also check your iOS device under Settings > your name > Subscriptions to manage or cancel it