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

https://www.insert-bookmark.win/to-cancel-grok-make-sure-you-use-the-exact-billing-channel-where-you-signed

If Apple billed your SuperGrok subscription, you can request a refund by going to reportaproblem.apple.com and signing in with your Apple ID. Find your SuperGrok purchase under iOS Subscriptions, then choose “Report a Problem” and follow the steps