If Apple billed your SuperGrok subscription, you can request a refund by going...

https://garrettwigp625.tearosediner.net/what-does-report-a-problem-do-on-apple-purchases

If Apple billed your SuperGrok subscription, you can request a refund by going to reportaproblem.apple.com and signing in with your Apple ID. Find your SuperGrok purchase under iOS Subscriptions, then choose “Report a Problem” and follow the steps