If Apple billed your SuperGrok subscription, you’ll need to request a refund...
https://www.seo-bookmarks.win/if-apple-billed-your-supergrok-subscription-and-you-want-a-refund-visit-2
If Apple billed your SuperGrok subscription, you’ll need to request a refund through reportaproblem.apple.com. Just sign in, go to the iOS Subscriptions section, find SuperGrok, and follow the steps to report the issue