If Apple billed you for a SuperGrok subscription and you want a refund, visit...

https://www.inter-bookmarks.win/if-apple-billed-your-supergrok-subscription-by-mistake-visit

If Apple billed you for a SuperGrok subscription and you want a refund, visit reportaproblem.apple.com to request it directly. Canceling in your iOS Subscriptions settings stops future charges but doesn’t refund past payments