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TightVNC vs RealVNC Connect: catalog facts
TightVNC	RealVNC Connect
Free Free and open source under the GPL. A commercial licence is sold for redistribution.	Freemium Free Lite plan for one non-commercial user, paid plans for more devices and connections.
Windows, Linux	Windows, macOS, Linux, Android, iOS
Very light on resources, with a Java viewer that runs from any browser host Simple, dependable remote control on a local network	Cloud connectivity avoids manual router or firewall configuration for remote access Free Lite plan available for personal, non-commercial use
No relay service; you must reach the machine yourself over the network VNC authentication is weak and needs to be tunnelled over SSH or a VPN	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-2.0	License not stated
Not stated if an account is 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 22, 2026	Official website Full listing and sources Checked September 22, 2026

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