Users can also set their messages to disappear over time or photos after a single viewing.

Apple users should visit their privacy settings within the app and turn off “Show Calls in Recents” to prevent their history from syncing with the cloud. You can sign up with a Google voice number to keep yours private.

Signal requires a phone number to join the app.Signal users can lock the app with the same passcode or fingerprint scan normally used to lock their phone If they’re concerned about someone accessing the Signal app from their phone.They can even send and react to messages with emojis, much like on Slack and Discord. Similar to other messaging apps, Signal is free on iPhone, Android, Mac, and PC. Users can also have one-to-one conversations to send pictures, videos, internet links, voice messages, etc.The size limit of Signal groups is 1,000 members.In-chat Admin controls to edit group info, add& remove members, and adjust the disappearing message timer.The ability to invite members via a group link or QR code.Signal has updated its features in a beta version to create “New Groups.” You can easily set up regular group chats or “Legacy Group” chats. The Beta version of Signal has a wealth of additional features On Signal, group chats are encrypted, too, which means that the Signal service has no record of your group memberships, group titles, group avatars, or group attributes.

But unlike other apps, Signal’s source code is publicly available, so experts have been able to poke and prod at its defenses for years, strengthening it in the process. Messaging Apps like iMessage, Telegram, and Whatsapp all do it. The encryption itself isn’t a unique feature.

Signal group chat encryption