Compare software

RealVNC Connect vs UltraVNC: catalog facts
RealVNC Connect	UltraVNC
Freemium Free Lite plan for one non-commercial user, paid plans for more devices and connections.	Free Free and open source under the GPL.
Windows, macOS, Linux, Android, iOS	Windows
Cloud connectivity avoids manual router or firewall configuration for remote access Free Lite plan available for personal, non-commercial use	Standard VNC protocol, works with other VNC software File transfer, chat and service mode
Free plan is capped at three devices and a single simultaneous connection Commercial use requires a paid subscription	Windows only Encryption requires a plugin in the main product
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.