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

https://rowanscoolperspective.iamarrows.com/how-do-i-find-my-supergrok-purchase-in-apple-purchase-history

If Apple billed you for a SuperGrok subscription and you want a refund, visit reportaproblem.apple.com to request one. You can also check your iOS device under Settings > your Apple ID > Subscriptions for details