If Apple charged you for a SuperGrok subscription and you want a refund, visit...
https://smoothdecorator.com/how-do-i-cancel-supergrok-if-settings-subscriptions-is-blank/
If Apple charged you for a SuperGrok subscription and you want a refund, visit reportaproblem.apple.com and sign in with your Apple ID. Navigate to iOS Subscriptions, find SuperGrok, and request a refund there