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

https://travispyuj085.raidersfanteamshop.com/reportaproblem-apple-com-not-working-for-me-what-should-i-try

If Apple billed your SuperGrok subscription, you can request a refund at reportaproblem.apple.com. Go to your iOS Settings, tap your Apple ID, then Subscriptions to find SuperGrok