A free program for Android, by SecureMix LLC.

GlassWire Data Usage Monitor application allows you to monitor your mobile data usage, data limits, and WiFi network activity. It does this by sending information about these three items to your mobile device. This information is then displayed on the device’s screen. The app can also alert you to the fact that your mobile device is nearing its data limit.

This is an extremely useful application, especially for those who want to stay informed about the usage of their mobile data. It is compatible with most mobile devices, including Android, iOS, Windows Phone, and Blackberry.

How does it work?

This application sends a small amount of data to your mobile device every second. This data contains information about your mobile device, such as its model and manufacture, its operating system, its version, and its language. This information is not used for any purpose other than to keep your device informed about its usage.

This application does not require any additional permissions. It is free to download.