If Apple billed your SuperGrok subscription by mistake, visit...
https://www.deltabookmarks.win/if-apple-billed-your-supergrok-subscription-you-can-request-a-refund-at
If Apple billed your SuperGrok subscription by mistake, visit reportaproblem.apple.com to request a refund. Go to Settings > your name > Subscriptions on your iPhone to review or cancel, but note canceling won’t refund past charges