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

https://www.jelly-bookmarks.win/if-apple-billed-your-supergrok-subscription-go-to-reportaproblem-apple-com-and

If Apple charged you for a SuperGrok subscription, visit reportaproblem.apple.com to request a refund. Simply canceling the subscription in iOS Settings under Subscriptions won’t refund your payment