Compare software

Avast SecureLine VPNProton VPN
Paid

Paid subscription, with a free trial available for download.

 Freemium

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

Windows, macOS, Android, iOS, Browser extension Windows, macOS, Linux, Android, iOS, Browser extension
  • Apps for desktop and mobile devices
  • Free trial before paying
  • A free tier with no data cap and no advertising
  • Clients are open source on every platform and independently audited
  • Closed source, so the client cannot be independently audited
  • Requires trusting Avast with your traffic
  • An account is required, even for the free tier
  • Free tier covers few countries and slows down at peak times
Downloadable app, Hosted service, Browser extension Downloadable app, Browser extension
Closed source Open source
License not stated License: GPL-3.0
Not stated if an account is needed Account needed
Not stated if it works offline Works offline

Checked September 24, 2026

Checked September 21, 2026

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