It is open source and has been reviewed by experts. This is a free service that uses end-to-end encryption. The desktop apps and browser versions use the same protocol as the mobile apps. Desktop and PC versions are the same as mobile applications.

Yes, but you should complete Signal install on mobile first to use it. Each SMS is sent privately and will self-destruct after being read. After Signal apk download and launching the app, a user is automatically signed in and can start a conversation by sending a message to any contact already in his/her phone's address book. The interface of the application is simple. It also includes optional self-destructing messages and an encrypted calling feature. Speaking about safety, Signal free is an encrypted messaging app that lets you send and receive SMS, files, and calls for free. The service also allows users to sync their contacts, message history, as well as create groups and broadcast messages. Signal mac / Windows / mobile version supports traditional SMS, MMS, and voice calls, and also supports interoperability with other popular messengers. You can install Signal on all platforms and it is also available in different languages including English, German, Russian, Spanish, Japanese, and French. Encrypted chats are stored on the device.Receive notifications from any device connected to your PC over the Internet.Send unlimited texts, pictures, videos, documents, and voice messages.The Signal Windows app offers the following features: The desktop version is also very convenient and useful. The program can also be used to send voices to other users and besides Signal app Windows version, there are also both Android and iOS ones.

After Signal download, you can make free voice calls, send multimedia, and send payments to other people. The application allows users to add their preferred contacts, and then exchange text messages, videos, voices, and photos with their contacts. You can download Signal for Windows, Mac, iOS, or Android. It can be used to send and receive text messages, images, videos, and group messages. Signal application is developed by Open Whisper Systems, a non-profit organization that aims to provide secure communication and to promote the human right to privacy.

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