Why is the barcode scanner icon locked?

Why is the barcode scanner icon locked?

The barcode scanning feature is only available with “Household Account” subscription, and if it is locked, you’re currently using CozZo free account. To activate the barcode feature, chose one of our subscription plans.

“Household Account” subscription unlocks many additional features – real-time synchronization of all present, to be bought and used up products among all joined members, adding pictures to products, cloud backup.