The FileZoneApp, written in Java, serves as an integral component of the extensive FileZone system. This application acts as the web interface of FileZone, offering a range of functionalities similar to those of the FileZoneSyncService. Users can upload and download documents through it. However, the FileZoneApp provides more advanced capabilities.

As a Tenant, the FileZoneApp offers extensive features for managing clients, as well as access to all other functionalities of FileZone, such as viewing statistics and managing files and clients.

As a customer, one can log in to the FileZoneApp to upload and download files. Additionally, sub-users can view statistics and access upload history.

In summary, the FileZoneApp provides a user-friendly interface enabling both tenants and customers to efficiently navigate and utilize the features of the FileZone system.