State-of-the-art end-to-end encryption (powered by the open source Signal Protocol) keeps your conversations secure. We can't read your messages or listen to your calls, and no one else can either.

Signal is now developed by Signal Messenger LLC, a software company founded by Moxie Marlinspike and Brian Acton in 2018, which is wholly owned by a tax-exempt nonprofit corporation called the …

Dec 19, 2025 · 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.

Download Signal app for Android, iOS, iPhone, iPad, iPod Touch, or Desktop for free! Get the latest version of Signal Messenger.

Apr 25, 2023 · Signal Private Messenger is available for free worldwide for both iOS and Android and allows its millions of users to send texts, videos, and files, make voice and video calls, and shield your...

Mar 25, 2025 · Signal is a secure messaging app that uses end-to-end encryption to protect messages and calls. This means only the sender and recipient can see or hear the content. The app is open …

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.

Mar 27, 2025 · Signal is an encrypted commercial messaging app available to anyone in the Apple and Android app stores. Since launching in 2014, the app has garnered a reputation as one of the most …

Download Signal for Android, iOS, Linux, macOS, and Windows.

Signal users can send private messages and make secure calls to other Signal users anywhere in the world for free over the internet. All Signal-to-Signal communication is private and end-to-end encrypted.