If Apple billed your SuperGrok subscription by mistake, visit...

https://messiahssplendidjournals.lowescouponn.com/what-does-report-a-problem-do-on-apple-purchases

If Apple billed your SuperGrok subscription by mistake, visit reportaproblem.apple.com to request a refund. Navigate to your iOS Subscriptions under your Apple ID to find SuperGrok and submit a refund request there