GlassWire
7.9#1 in personal firewallsFrom $2.99 a monthFree planAndroidWebWindows
Visit| Fact | GlassWire | Vallum |
|---|---|---|
| Company history | GlassWire says its team spent over a year building the product before Jon Hundley posted it to Hacker News, after which the team chose to work on it full time. | The About page says the team developed WaterRoof in 2006 and later created IceFloor after Apple switched from ipfw to pf. |
| Free plan | Yes | No |
| Headquarters | Draper, Utah, USA | Gazzuolo, Mantua, Italy |
| Product | GlassWire is a network traffic monitor and personal firewall that shows current and past network activity and can block suspicious or badly behaving apps. | Vallum is an application firewall for macOS that intercepts inbound and outbound app connections. |
GlassWire suits people who want to monitor network activity on Windows or track app data use on Android. The free tier may fit users who need only short-term history; longer histories are listed with the paid plan.
You want what its maker publishes above — check its page for the details.