Chat with your friends and colleagues without wasting your data plan. One can use signal messenger in any instance where internet is not accessible, such as Cruise ship, wild life safari, foreign trip with family or when you run out of your data pack.
Large files can be shared easily with signal. Since signal uses Wifi Direct data transfers at the rate of 250mbps. Large files such as video,wall papers can be shared at the fastest rate using widi technology. Due to the incredible transfer rate all image & video files are transferred without any modification.
Signal is complete off the grid messaging app. It is free, registration is offline and no information flows via any sort of cloud.
[How it works]
Signal app is based on Wi-Fi peer-to-peer technology which enables the android devices (Android 4.0 and above) to connect directly to each other via WiFi without any intermediate access point. Wi-Fi peer-to-peer technology is also known as Wi-Fi Direct.
Signal app on start-up sends a signal to discover nearby devices. User can send additional signals by swiping the available list. Once the devices are found they appear in the available user list. Grey color signifies no connection while colored blocked is the indicator for connected device. Once the devices are found signal app establish the connections between the devices.