Software Comparison Matrix
Side-by-side technical evaluation and feature analysis
Metric
Proton VPN
Windows Defender
Expert Rating
★ 4.8 / 5.0
★ 4.8 / 5.0
Category
security
development
Current Version
5.1.8
4.18.26100.4
License
Open Source
Proprietary
OS Support
Windows, macOS, Linux, Android, iOS, Web
Windows, macOS, Linux, Android, iOS
Pricing Model
Freemium
Free