If Apple billed you for a SuperGrok subscription and you want a refund, visit...

https://wiki-site.win/index.php/What_is_the_Fastest_Way_to_Confirm_Who_Billed_My_SuperGrok_Subscription%3F

If Apple billed you for a SuperGrok subscription and you want a refund, visit reportaproblem.apple.com to request it. Go to iOS Settings > your name > Subscriptions to manage or cancel your subscription