A user package includes the number of smartphone users to whom you can grant access authorization. Each smartphone user who has an entitlement now or in the future is counted as an active user in the package. You can give a smartphone user access to one or more locking devices.
The only thing you have to decide: the number of smartphone users and whether you want to purchase them directly in the app or in our online shop. There are small differences in billing here. For example, if you buy your user package in the app, it will be debited from your account on a monthly basis. In contrast, in the shop you can only select an annual debit.
You can find more information in the respective articles:
In both cases you can buy NFC transponders at any time. You can also upgrade to a higher plan at any time.