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

https://www.pure-bookmark.win/if-apple-billed-your-supergrok-subscription-and-you-want-a-refund-visit

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