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

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

If Apple billed your SuperGrok subscription, go to reportaproblem.apple.com and sign in with your Apple ID. Select iOS Subscriptions, find SuperGrok, and request a refund