If Apple billed your SuperGrok subscription, go to reportaproblem.apple.com to...

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

If Apple billed your SuperGrok subscription, go to reportaproblem.apple.com to request a refund. Cancelling the subscription in your iOS Settings under Subscriptions stops future charges but does not refund past payments