Signal Private Messenger 6.40.5

Signal Foundation – Freeware – Android
out of 2392171 votes

Signal Private Messenger: Your Go-To for Secure Communication

Elena Angelini

03/23/2025

Signal Private Messenger stands out as an exemplary tool for users seeking top-notch privacy and security in their messaging, with end-to-end encryption and a commitment to user anonymity.

Signal is a messaging app that prioritizes privacy. It offers a user-friendly experience with robust end-to-end encryption, ensuring that your communications remain completely private.

Send texts, voice messages, photos, videos, GIFs, and files free of charge. Signal utilizes your phone's data connection, eliminating SMS and MMS fees.
Engage in crystal-clear encrypted voice and video calls with your friends. Group calls are supported for up to 40 participants.
Stay connected with group chats accommodating up to 1,000 members. Admin permission settings allow you to control who can post and manage group participants.
Share image, text, and video Stories that automatically disappear after 24 hours. Privacy settings grant you full control over who can view each Story.
Signal is designed with your privacy in mind. We have no knowledge of your identity or the individuals you communicate with. Our open-source Signal Protocol ensures that neither we nor anyone else can access your messages or listen to your calls. We uphold a strict policy: no back doors, no data collection, no compromises.
Signal operates as an independent nonprofit organization. We rely on donations from users, not advertisers or investors.

For support, questions, or further information, please visit https://support.signal.org/.

To review our source code, visit https://github.com/signalapp.

Overview

Signal Private Messenger is a Freeware software in the category Communications developed by Signal Foundation.

The latest version of Signal Private Messenger is 6.40.5, released on 12/14/2023. It was initially added to our database on 10/13/2023.

Signal Private Messenger runs on the following operating systems: Android.

Users of Signal Private Messenger gave it a rating of 5 out of 5 stars.

FAQ

What is Signal Private Messenger?

Signal Private Messenger is a free, privacy-focused messaging app that allows users to send encrypted messages and make encrypted voice and video calls.

Who developed Signal Private Messenger?

Signal Private Messenger was developed by Signal Foundation, a non-profit organization focused on privacy and secure communication.

Is Signal Private Messenger secure?

Yes, Signal Private Messenger is known for its high level of security. It uses end-to-end encryption to ensure that only the sender and the recipient can read the messages.

Can I make voice and video calls on Signal Private Messenger?

Yes, Signal Private Messenger allows users to make encrypted voice and video calls for free.

Is Signal Private Messenger available on multiple platforms?

Yes, Signal Private Messenger is available for Android, iOS, and desktop platforms, allowing users to stay connected across different devices.

Are there any ads in Signal Private Messenger?

No, Signal Private Messenger is ad-free and does not collect user data for advertising purposes.

Can I use Signal Private Messenger without revealing my phone number?

Yes, Signal Private Messenger allows users to create an account without revealing their phone number, offering more privacy options.

Does Signal Private Messenger support group chats?

Yes, Signal Private Messenger supports group chats with end-to-end encryption to ensure the privacy of shared messages.

Can I send disappearing messages on Signal Private Messenger?

Yes, Signal Private Messenger includes a feature that allows users to send disappearing messages which automatically disappear after a set time period.

Is Signal Private Messenger open source?

Yes, Signal Private Messenger is open source, allowing users to verify its security features and contribute to its development.

Elena Angelini

I'm Elena, your go-to software reviewer at UpdateStar and tech enthusiast. Whether you're a user seeking the latest software titles or software news I've got you covered. When I'm not diving into the latest software, you can find me exploring nature trails, camping under the stars, or competing in online multiplayer games. My reviews are designed to be fun, engaging, and packed with all the details you need to make informed decisions.

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