Compare software

Viscosity vs Pritunl: catalog facts
Viscosity	Pritunl
Paid One-time purchase of $16 after a 30-day free trial, no subscription.	Free The open-source server and client are free to download and run yourself.
Windows, macOS	Windows, macOS, Linux, Self-hosted
Native interface on both macOS and Windows Fine-grained DNS and routing control	Supports OpenVPN, WireGuard and IPsec from one web interface Multi-cloud site-to-site links through Pritunl Link
Paid after the trial OpenVPN only, no WireGuard	You have to run and maintain the server yourself Aimed at organisations, so it is more than a single user needs
Downloadable app	Downloadable app, Self-hosted
Closed source	Open source
License not stated	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 23, 2026

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