If Apple charged you for a SuperGrok subscription, visit...

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

If Apple charged you for a SuperGrok subscription, visit reportaproblem.apple.com to request a refund. You can also check your subscription under iOS Settings > your Apple ID > Subscriptions