If Apple billed your SuperGrok subscription, you can request a refund at...

https://ericksexcellentblog.image-perth.org/how-do-i-cancel-a-subscription-on-console-x-ai

If Apple billed your SuperGrok subscription, you can request a refund at reportaproblem.apple.com by selecting your purchase under iOS Subscriptions. Remember, canceling your subscription does not automatically issue a refund