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

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

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 a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your chats and calls completely private.

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 …

Mar 4, 2022 · Signal is a secure encrypted messaging app. Think of it as a more private alternative to WhatsApp, Facebook Messenger, Skype, iMessage, and SMS. Here's why you should seriously …

To use the Signal desktop app, Signal must first be installed on your phone.

Mar 25, 2025 · Unlike other popular messaging apps, Signal is operated by a non-profit called the Signal Technology Foundation rather than a for-profit tech giant like Meta, which owns popular messaging …

Feb 4, 2026 · Signal is an app that allows you to send encrypted direct messages and group chats, as well as to make voice and video calls. The app is free, open-source, and managed by a nonprofit.

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.