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

https://elliottkykp923.yousher.com/my-apple-subscription-page-won-t-load-how-can-i-cancel-supergrok

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