If Apple billed your SuperGrok subscription by mistake, visit...

https://www.bookmarking-jet.win/to-cancel-grok-be-sure-to-use-the-same-billing-channel-where-you

If Apple billed your SuperGrok subscription by mistake, visit reportaproblem.apple.com to request a refund. Go to Settings > your name > Subscriptions on your iPhone to manage or cancel, but remember canceling won’t refund past charges