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

https://zaneznae304.lucialpiazzale.com/i-requested-a-refund-will-i-lose-access-to-supergrok-immediately

If Apple charged you for your SuperGrok subscription, visit reportaproblem.apple.com to request a refund. Go to the iOS Subscriptions section, find SuperGrok, and follow the steps to report your issue