If Apple charged you for a SuperGrok subscription and you want a refund, visit...

https://www.bookmark-tango.win/to-cancel-grok-properly-use-the-same-billing-channel-where-you

If Apple charged you for a SuperGrok subscription and you want a refund, visit reportaproblem.apple.com and sign in. Go to the iOS Subscriptions section to find your purchase and request a refund