Download Signal Free for iPhone, Android, Windows Phone and Blackberry. Signal is a private messenger that places a lot of importance on keeping the information from the user safe. Free for Samsung smartphones, Sony, Oppo, Nec, Philips, Wiko, Lettv, HP, Lenovo, Sharp, Alcatel, Meizu, Benq, Acer, Huawei, ZTE, Panasonic, OnePlus, Xiaomi, Jiayu, THL, HTC, Toshiba, LG, Motorola, Asus, Siemens, Fire Phone, Orange, TMobile, Vodafone, Zoppo,... and more.
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Signal Messaging app is an open source and free app for voice calls and text messages for the Android and iOS users. This application uses the end-to-end encryption technique and secures your message content from other Signal users. The Signal app is used to send encrypted messages and the message received at the other end will also be encrypted.
Enjoy encrypted group messages, sending attachments and media messages without any hassle of privacy of the content. The user can use the key bands offered by the company to identify the identity of the message being sent. When the user is busy with making calls, he or she can check the data channel integrity by checking the two words used in the calls are matching at the both sides.
Another development that is seen in this app is its compatibility with the Chrome app. This app is developed by Open Whisper Systems and has been published under the license issued by the GPLv3.