If Apple billed your SuperGrok subscription and you want a refund, visit...

https://www.echobookmarks.win/to-cancel-grok-properly-make-sure-you-do-it-through-the-same-billing-channel

If Apple billed your SuperGrok subscription and you want a refund, visit reportaproblem.apple.com and sign in with your Apple ID. Find SuperGrok under iOS Subscriptions and request a refund there