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 and sign in with your Apple ID. Find SuperGrok under your iOS Subscriptions and select "Report a Problem" to request a refund