Compare software

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

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