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

https://titusssplendidperspective.almoheet-travel.com/what-refund-reason-should-i-pick-for-supergrok-on-apple

If Apple billed your SuperGrok subscription by mistake, visit reportaproblem.apple.com to request a refund. Go to your iOS Settings, tap your Apple ID, then Subscriptions to review charges