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

https://www.blaze-bookmarks.win/to-cancel-grok-be-sure-to-use-the-same-billing-channel-you-signed-up

If Apple billed your SuperGrok subscription by mistake, visit reportaproblem.apple.com to request a refund. Go to Settings > your Apple ID > Subscriptions to check your subscription status