Signal is a free, open source encrypted messaging and voice calling app allowing private and secure communication through end-to-end encryption, supporting individual and group chats on Android, iOS, and desktop platforms.
Signal is a free and open source encrypted messaging and voice calling application available on Android, iOS, and desktop platforms. It uses end-to-end encryption to secure all communications so that only the sender and recipient can read messages and listen to calls.
Some key features of Signal include:
Overall, Signal delivers an excellent private and secure communication experience on mobile and desktop. With open source transparency and strong encryption it is regarded as one of the most trusted messaging apps when it comes to user privacy.