If Apple billed your SuperGrok subscription by mistake, visit...
https://rowanscoolperspective.iamarrows.com/how-do-i-find-my-supergrok-purchase-in-apple-purchase-history
If Apple billed your SuperGrok subscription by mistake, visit reportaproblem.apple.com to request a refund. On your iPhone, go to Settings > your name > Subscriptions to view charges