Compare software

Psiphon vs Astrill VPN: catalog facts
Psiphon	Astrill VPN
Freemium Free to connect, with an optional subscription or PsiCash for ad-free, faster connections.	Paid Paid subscription, with a VIP plan and business options.
Windows, Android, iOS	Windows, macOS, Linux, Android, iOS
Several blocking-resilient transports that keep working where standard VPNs fail Free to use with no payment needed	StealthVPN protocol designed for restrictive networks Apps for desktop, mobile and routers, including Linux
The free tier shows ads and runs at lower speeds Traffic passes through servers run by Psiphon	Proprietary protocol and closed source apps Requires a paid subscription
Downloadable app	Downloadable app, Hosted service
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Needs internet	Needs internet
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.