Signal is ad-free and does not collect user data for advertising purposes.
The Signal app is open source, meaning that the source code is publicly available for anyone to inspect and contribute to. Signal is available as a mobile app for iOS and Android devices. Signal can be used on desktop computers with a standalone app for Windows, macOS, and Linux. Users can create groups for messaging with multiple people, with end-to-end encryption. Signal supports one-on-one and group voice and video calls, with end-to-end encryption. Users can set a timer for messages to automatically delete after a certain period of time. In short, Signal is an app that's focused on privacy first, and gives you a wide range of tools to manage that privacy.īarbara Smith contributed to a previous version of this article.All messages, calls, and shared media are encrypted from end to end, meaning that only the sender and recipient(s) can access the content. You can also set your messages to disappear over time, or photos to disappear after a single viewing. Apple users will want to visit their privacy settings within the app and turn off "Show Calls in Recents" to prevent your history from syncing with the cloud. To keep yours private, you can sign up with a Google voice number. Signal requires a phone number to join the app. If you're concerned about someone accessing the Signal app from your phone, you can lock the app with the same passcode or fingerprint scan normally used to lock your phone. For now, groups are capped at 150 people, but adding and removing new people from a group is simple. Those include group admins, updates, timers for disappearing messages. Signal's beta version is testing new kinds of chats with forum-like features. You can even send and react to messages with emojis, much like on Slack and Discord. In these chats, you can send pictures, videos, internet links, voice messages, and more.
On a basic level, you can have one-on-one conversations with someone or start a group chat. There's a Signal app on nearly every major system.
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