AL Studio is a premium extension with a free, community edition. Editions are licensed under the same End-User License Agreement ("Agreement").
This edition and its functionality is available for free for everyone. Installation or usage does not require any kind of registration, nor license key.
This edition and its functionality requires registration and an active subscription. Access to premium features is provided by a valid license key that must be activated on used devices.
Starter and Team plans are licensed per users, meaning that all unique, individual users must be licensed. A licensed user is allowed to install and activate AL Studio on any number of devices.
Ultimate plan is licensed per company, meaning that a legal entity is covered by one license. There are no limitations in terms of number of users, nor number of devices.