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Signal costs nothing to use and is funded by community donations and grants. It’s also open source, means its source code is available on Github, so it gives app developers as well as you opportunity to verify the app’s integrity. So, in case you feel WhatsApp suspicious and Telegram complex for you, Signal is free on the App Store to use.How does signal work app?
Signal Private Messenger is an update of a previous app called TextSecure. This app is a secure and private messaging app which is used for free messaging, voice and video calling. All the chat conversations through Signal messenger are encrypted which helps to make sure no one would be able to spy on Signal messenger.Does signal work for email?
Signal does not provide an email service. We recommend looking into the LEAP Encryption Access Project and Mailpile. Both of these organizations are working hard to make encrypted email easier to use.