Signal 7.57.0 – Secure Messaging and Calls

Free Secure Messaging App with End-to-End Encryption and Cross-Platform Support

12-06-25

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Signal for instant messaging, voice, and video calls, and also for sending voice images, videos

Signal is an encrypted messaging service for instant, voice, and video calls. The instant messaging function supports sending text, voice notes, images, videos, and various other file types. Communication may be one-to-one between users or for group messaging.

Built on a centralized computing architecture, the software is cross-platform and developed by the non-profit Signal Foundation and its subsidiary, Signal Messenger LLC. It is free and open-source, offering transparency and accessibility to all users.

The official Android apps generally use the proprietary Google Play Services, although it is designed to work without them. Signal is also distributed for iOS, Windows, macOS, and Linux desktop programs. Registration for desktop use requires an iOS or Android device.

Signal uses mobile telephone numbers to identify users and secures all communications with end-to-end encryption. The client software includes mechanisms that allow users to independently verify the identity of their contacts and the integrity of the data channel.

The number does not need to match the SIM card on the device. It can be a VoIP number or a landline, as long as the user can receive the verification code and has a separate device to set up the software. A number can only be registered on one mobile device at a time. Account registration requires an iOS or Android device.

Features:

Share Without Insecurity

State-of-the-art end-to-end encryption (powered by the open-source Signal Protocol) keeps your conversations secure. No one can read your messages or listen to your calls — not even the developers. Privacy is not an optional feature; it is the fundamental principle behind the app.

Say Anything

Share text, voice messages, photos, videos, GIFs, and files for free. This app uses your phone’s data connection to avoid SMS and MMS fees.

Speak Freely

Make high-quality voice and video calls to anyone, anywhere, without long-distance fees.

Make Privacy Stick

Add a new layer of expression to your conversations with encrypted stickers. You can also create and share your sticker packs.

Get Together with Groups

Group chats help you stay connected with your family, friends, and coworkers.

No ads. No trackers.

Enjoy an ad-free and privacy-focused experience. Focus on sharing meaningful moments with loved ones without distractions or tracking.

What’s New in Signal 7.57.0 :

Settings were previously accessed through a pop-up window, but now, they’re built right into the main screen for a more seamless experience.