Developer's DescriptionBy Open Whisper SystemsChat in real time with all your friends at once.Say Anything - Send high-quality group, text, picture, and video messages.Be Yourself - Signal uses your existing phone number and address book. There are no separate logins, usernames, or PINs to manage or lose.Stay Private - We can't read your messages, and no one else can either. No exceptions. Everything in Signal is always end-to-end encrypted and painstakingly engineered in order to keep your communication safe.Pay Nothing - Signal is supported by a team of dedicated developers, community donations, and grants. There are no advertisements, and it doesn't cost anything to use.