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

Say "hello" to a different messaging experience. An unexpected focus on privacy, combined with all of the features you expect.

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

Signal for Android Download for Android Or visit signal.org/install from your phone

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, …

Say "hello" to a different messaging experience. An unexpected focus on privacy, combined with all of the features you expect.

Say "hello" to a different messaging experience. An unexpected focus on privacy, combined with all of the features you expect.

Installing Signal Fast, simple, secure. Signal is privacy that fits in your pocket (or on your desk). Download Signal here or follow the installation steps for your platform. Android iOS Linked Desktop …

「Signal」、Signalのロゴ、その他の商標は、米国およびその他の国々におけるSignal Technology Foundationの商標、または登録商標です（詳細についてはこちらをご覧ください）。 メディアの …

Getting Started with Signal Android, iOS or Desktop Installing Signal How to restore your message history Find the Signal App Icon How do I ensure Signal is up to date? Register a phone number Re …