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

https://www.apu-bookmarks.win/to-get-a-refund-for-your-supergrok-subscription-billed-by-apple-visit

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