Signal App

• Developer: Signal Messenger LLC
• Genre: Encrypted voice calling, video calling, instant messaging
• Version: 5.19.4

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Kira Milne

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. It can be used to send and receive text messages, images, videos, and group messages. You can download Signal for Windows, Mac, iOS, or Android.

Functionality

The application allows users to add their preferred contacts, and then exchange text messages, videos, voices, and photos with their contacts. After Signal download, you can make free voice calls, send multimedia, and send payments to other people. 

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. The desktop version is also very convenient and useful.

Features

The Signal Windows app offers the following features:

• Send unlimited texts, pictures, videos, documents, and voice messages.
• Receive notifications from any device connected to your PC over the Internet.
• Works across multiple devices.
• Encrypted chats are stored on the device.
• Strong encryption algorithms.
• End-to-end encrypted.
• Open-source.

Usability

You can install Signal on all platforms and it is also available in different languages including English, German, Russian, Spanish, Japanese, and French. Signal mac / Windows / mobile version supports traditional SMS, MMS, and voice calls, and also supports interoperability with other popular messengers. 

The service also allows users to sync their contacts, message history, as well as create groups and broadcast messages.

Safety

Speaking about safety, Signal free is an encrypted messaging app that lets you send and receive SMS, files, and calls for free. It also includes optional self-destructing messages and an encrypted calling feature.

Interface

The interface of the application is simple. 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. Each SMS is sent privately and will self-destruct after being read.

FAQ

• Is there Signal PC version?
  Yes, but you should complete Signal install on mobile first to use it. Desktop and PC versions are the same as mobile applications. The desktop apps and browser versions use the same protocol as the mobile apps.

• Is it really safe?
  This is a free service that uses end-to-end encryption. It is open source and has been reviewed by experts. 

• I’ve heard of Signal computer version. What other platforms does the app support?
  Signal app download is available for iOS, Android, Windows Phone, and desktop, as well as Chrome and Firefox extensions.

• Is it safer than WhatsApp?
  I would say yes. It uses a special Protocol, which incorporates the best modern practices for secure messaging. Signal's security model is based on confidentiality, authenticity, and forward secrecy.

All-in-all, when you download Signal app, you get an open-source, non-profit push-based messaging application that is available on Android and iOS. The program enables its users to send and receive encrypted chats that are secured by end-to-end encryption.

Pros:

• Open-source;
• Strong encryption algorithms;
• One of the most highly secure messaging apps available.

Cons:

• No ‘undo’ function.

Interface Functionality Usability Support

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