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

https://wiki-velo.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, go to reportaproblem.apple.com and sign in with your Apple ID. Find SuperGrok under iOS Subscriptions, select the purchase, and request a refund