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

https://www.4shared.com/office/3rwv2w8_ge/pdf-73301-13539.html

If Apple billed your SuperGrok subscription, you can request a refund by going to reportaproblem.apple.com and signing in with your Apple ID. Find your SuperGrok purchase under iOS Subscriptions, then choose “Report a Problem” and follow the steps