Compare software

Astrill VPNProton VPN
Paid

Paid subscription, with a VIP plan and business options.

 Freemium

The free tier has no data cap but limited countries and speeds. Paid plans add more…

Windows, macOS, Linux, Android, iOS Windows, macOS, Linux, Android, iOS, Browser extension
  • StealthVPN protocol designed for restrictive networks
  • Apps for desktop, mobile and routers, including Linux
  • A free tier with no data cap and no advertising
  • Clients are open source on every platform and independently audited
  • Proprietary protocol and closed source apps
  • Requires a paid subscription
  • An account is required, even for the free tier
  • Free tier covers few countries and slows down at peak times
Downloadable app, Hosted service Downloadable app, Browser extension
Closed source Open source
License not stated License: GPL-3.0
Account needed Account needed
Needs internet Works offline

Checked September 23, 2026

Checked September 21, 2026

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