Compare software

GlassWireZoneAlarm
Freemium

A free version is available. Longer history and extra features require a paid licence.

 Freemium

Free firewall and free antivirus, with paid security suites.

Windows, Android Windows, macOS, Android, iOS
  • Visual history makes it obvious which application started talking and when
  • Alerts on first connections and on changes to system network settings
  • Free outbound firewall that controls program network access
  • Free antivirus option
  • Longer history retention and several features need a paid licence
  • Windows and Android only, closed source
  • Most extra protections require a paid suite
  • Closed source
Downloadable app Downloadable app
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked October 1, 2026

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