

Security-wise, Signal is considered the most secure app out there, even better, by far, compared to other instant messenger platforms like Facebook Messenger, Skype, and even Whatsapp. Nothing to worry about, it's pretty simple and you will only need to scan the QR code that will be shown when you launch the app for the first time. You can also install Signal Desktop on a computer with Windows or macOS but you will need to link the account from your phone to Signal Desktop. (The phone number will be used to link your contacts and you will only be able to have conversations with the contacts who also have Signal installed.)

When you install it you will have to follow the instructions to complete the registration, which will prompt you to enter your phone number. The signal is available on both iOS and Android devices. It was founded by Matthew Rosenfeld in 2013 who's also the founder of Open Whisper Systems. It has strong privacy protection enforced by the best encryption algorithms called Signal Protocol. One of the most secure instant messenger apps out thereĮveryone knows that if you want to have a private conversation with someone, the Signal instant messenger app is the one you should use.
