If Apple billed your SuperGrok subscription, you can request a refund at...

https://titusssplendidperspective.almoheet-travel.com/i-signed-up-for-supergrok-and-immediately-regret-it-can-i-get-a-refund

If Apple billed your SuperGrok subscription, you can request a refund at reportaproblem.apple.com. Go to your iOS Settings, tap your name, then Subscriptions to manage or cancel. Remember, canceling stops future charges but doesn’t refund past payments