If Apple billed your SuperGrok subscription, you can request a refund at...

https://jasperssuperbcolumn.trexgame.net/how-do-i-make-sure-i-don-t-contact-the-wrong-support-team-for-supergrok

If Apple billed your SuperGrok subscription, you can request a refund at reportaproblem.apple.com. Go to your iOS Settings, tap your Apple ID, then Subscriptions to find SuperGrok