To get a refund for your SuperGrok subscription billed by Apple, visit...

https://www.last-bookmarks.win/if-apple-billed-your-supergrok-subscription-and-you-want-a-refund-visit-1

To get a refund for your SuperGrok subscription billed by Apple, visit reportaproblem.apple.com and sign in with your Apple ID. Navigate to iOS Subscriptions, find SuperGrok, and request a refund