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. Go to Settings > your name > Subscriptions on your iPhone to manage or cancel, but remember canceling won’t refund past charges