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

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 …

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

Signal for Mobile Android iPhone or iPad Or visit signal.org/install from your phone

Dec 5, 2025 · The Pentagon’s latest report makes one thing clear: Signal protects conversations, but it was never designed to safeguard U.S. war plans — and using it that way carried real risk …

Dec 8, 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.

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 …

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 …

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 …

Understand the basics of Signal on Android, iOS, and Desktop. Explore rich features of private messaging. This section contains common questions regarding safety and reliability of the …