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

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

If Apple billed your SuperGrok subscription and you want a refund, visit reportaproblem.apple.com to request one. Go to the iOS Settings app, tap your Apple ID, select Subscriptions, then find SuperGrok