If Apple billed your SuperGrok subscription and you want a refund, go to...

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

If Apple billed your SuperGrok subscription and you want a refund, go to reportaproblem.apple.com and sign in. Find SuperGrok under the iOS Subscriptions section, then select “Report a Problem” and request your refund