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

https://garrettsbestblogs.theglensecret.com/how-do-i-cancel-and-refund-supergrok-if-i-have-both-iphone-and-ipad

If Apple billed your SuperGrok subscription and you want a refund, go to reportaproblem.apple.com and sign in. Choose iOS Subscriptions, find SuperGrok, and request a refund directly there