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

https://garrettwigp625.tearosediner.net/supergrok-refund-request-what-should-i-say-in-the-comments-box

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