LRS VPSX vs QZ Tray

LRS VPSX centrally manages enterprise print output and delivers documents from ERP and medical applications to printers and other destinations. It can send output to barcode, thermal, and label printers, as well as email recipients, fax and file servers; if network or hardware problems interrupt delivery, it can reroute output. A single VPSX Enterprise instance can drive thousands of printers from different vendors. Administrators can manage printer fleets through a web-based control interface, while the environment can provide pull printing, print auditing, data loss prevention, scan and print integration, and a help desk control point. Document transforms handle PCL, PDF, PS, AFP, IFF, LCDS, and OTF streams. VPSX supports integrations including Epic, Cerner, SAP S/4HANA and BTP, IBM systems, Dell Processing Environment, ANUBEX, and Soarian. Deployment options include on-premise, hybrid, private cloud, infrastructure as a service, and managed SaaS. Pricing is on request.

QZ Tray connects web clients to local printers and attached devices, enabling browser-based printing and hardware communication through its JavaScript connector. Printing support includes PDF, PNG, HTML, PCL, ESC/POS, EPL, ZPL, SBPL, and FGL. Device connections can use serial, HID, USB, socket, or file I/O. The maker lists Zebra, SATO, Epson, Citizen, Star, Boca, and Dymo among compatible printer brands. Desktop editions run on Windows, macOS, and Linux, including Intel and ARM or Apple Silicon systems; supported platforms also include iOS, Android, and ChromeOS. QZ Tray can be downloaded and used for free, with warnings, and the maker offers a free demonstration with warnings. Removing print dialogue warnings and enabling silent printing requires message signing with a certificate and private key. QZ says the signing keys are generated in the customer's browser and that it never receives a copy of the private key. Only one instance can run per machine because the software uses a localhost WebSocket connection to a single port. Premium Support costs $749.00 per year.