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Signal - Private Messenger

Every message is a data point for others. Signal provides the ultimate defense against digital prying eyes.

Communication & Messaging ›

Key Figures

Downloads

75M+

User Rating

4.7/5

Total Ratings

3.4M

Publisher

Signal Messenger, LLC

Signal - Private Messenger: Core Features Analysis

An evaluation of key functionalities for privacy-conscious users.

Strong End-to-End Encryption for All Communications

The app provides robust, state-of-the-art end-to-end encryption for all messages, calls, and file transfers, ensuring complete privacy and security against interception.

Zero Data Collection & Open-Source Protocol

This tool features a design where no user data is collected, stored, or accessible by the service. Its encryption protocol is open-source, allowing for independent auditing and verifying its security claims.

Non-Profit, Donation-Supported Model

It operates as a non-profit organization, relying solely on donations. This model ensures the app remains free from commercial pressures to monetize user data through advertising or other means.

Encrypted Voice and Video Calls

The app allows users to make crystal-clear, end-to-end encrypted voice and video calls, including group calls for up to 50 participants, ensuring secure real-time communication.

Secure Group Chat Functionality

It enables private group conversations for up to 1,000 members, with administrative controls for managing participants and posting permissions, facilitating secure collaboration.

Comprehensive Multimedia Messaging

The app provides versatile messaging capabilities, allowing the free and secure exchange of texts, voice messages, photos, videos, GIFs, and files, leveraging the user's data connection.

FAQ

Frequently Asked Questions

Everything you need to know about Signal - Private Messenger

Is Signal Messenger secure and private?

Yes, Signal Messenger provides strong end-to-end encryption for all communications. It is built for privacy, ensuring messages and calls are private with no backdoors or data collection.

Does Signal Messenger cost money to use?

No, Signal Messenger is free to use. It utilizes your phone's data connection for communication, which helps users avoid standard SMS and MMS fees.

Does Signal Messenger support group video calls?

Yes, Signal Messenger supports crystal-clear encrypted group voice and video calls for up to 50 people. Users can call friends or groups from any location.

How many people can join a Signal Messenger group chat?

Signal Messenger group chats can include up to 1,000 people. Users can manage members and control who can post with admin permission settings.

Does Signal Messenger offer disappearing messages?

Yes, Signal Messenger includes a disappearing messages feature. This function helps users keep their message history tidy by automatically deleting messages after a set time.

What are Signal Stories?

Signal Stories are a feature in Signal Messenger that allows users to share images, text, and video. These Stories disappear automatically after 24 hours, and privacy settings control viewership.

How is Signal Messenger funded?

Signal Messenger is an independent 501c3 nonprofit organization. It is supported by user donations, not by advertisers or investors, ensuring its privacy-focused mission.

What types of messages can users send on Signal Messenger?

Signal Messenger users can send texts, voice messages, photos, videos, GIFs, and files. The app uses your phone's data connection for these communications.

Can I use Signal Messenger without sharing my phone number?

Yes, Signal Messenger offers optional usernames. Users can create a username to connect with others and start chats without directly sharing their phone number.

The following screenshots and description are sourced directly from the app's official store listing and are the property of the app developer.

App Store

Screenshots

Description

Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your communication completely private. • Send texts, voice messages, photos, videos, GIFs, and files for free. Signal uses your phone’s data connection, so you avoid SMS and MMS fees. • Call your friends with crystal-clear encrypted voice and video calls. Group calls supported for up to 50 people. • Stay connected with group chats up to 1,000 people. Control who can post and manage group members with admin permission settings. • Share image, text, and video Stories that disappear after 24 hours. Privacy settings keep you in charge of exactly who can see each Story. • Signal is built for your privacy. We know nothing about you or who you’re talking to. Our open source Signal Protocol means that we can’t read your messages or listen to your calls. Neither can anyone else. No back doors, no data collection, no compromises. • Signal is independent and not for profit; a different kind of tech from a different kind of organization. As a 501c3 nonprofit we are supported by your donations, not by advertisers or investors. • For support, questions, or more information please visit https://support.signal.org/ To check out our source code, visit https://github.com/signalapp Follow us on Twitter @signalapp and Instagram @signal_app