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

https://wiki-club.win/index.php/How_Do_I_Switch_Apple_IDs_to_Find_the_SuperGrok_Purchase%3F

If Apple billed your SuperGrok subscription and you want a refund, visit reportaproblem.apple.com and sign in with your Apple ID. Find your SuperGrok purchase under iOS Subscriptions and request a refund