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

https://reidyxab469.iamarrows.com/how-do-i-cancel-supergrok-if-settings-gt-subscriptions-is-blank

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