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.

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 …

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. • Send texts, voice messages, photos, …

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.

1 day ago · Signal’s approach to end-to-end encryption makes it especially safe for sending messages. We have some tips on how to use it, and why no messaging app is perfect.

1 day ago · Signal is the most secure messaging app for long-distance couples. With end-to-end encryption, no ads, and non-profit ownership, your intimate conversations stay truly private. Free for …

2 days ago · A community organizer’s guide to Signal group chats Key privacy settings and best practices.

Jan 12, 2026 · 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.

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.