Software Comparison Matrix
Side-by-side technical evaluation and feature analysis
Metric
Windows Defender
Reddit
Expert Rating
★ 4.8 / 5.0
★ 4.5 / 5.0
Category
development
development
Current Version
4.18.26100.4
2026.12.0
License
Proprietary
Proprietary
OS Support
Windows, macOS, Linux, Android, iOS
Web, iOS, Android, Windows, macOS, Linux
Pricing Model
Free
Freemium