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 submit a refund request. You can also check your iOS device’s Settings under your Apple ID, then Subscriptions to manage or cancel