Signal Private Messenger

Signal Foundation

About this app

Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your communication completely private.


• Send texts, voice messages, photos, videos, GIFs, and files for free. Signal uses your phone’s data connection, so you avoid SMS and MMS fees.


• Call your friends with crystal-clear encrypted voice and video calls. Group calls supported for up to 40 people.


• Stay connected with group chats up to 1,000 people. Control who can post and manage group members with admin permission settings.


• Share image, text, and video Stories that disappear after 24 hours. Privacy settings keep you in charge of exactly who can see each Story.


• Signal is built for your privacy. We know nothing about you or who you’re talking to. Our open source Signal Protocol means that we can’t read your messages or listen to your calls. Neither can anyone else. No back doors, no data collection, no compromises.


• Signal is independent and not for profit; a different kind of tech from a different kind of organization. As a 501c3 nonprofit we are supported by your donations, not by advertisers or investors.


• For support, questions, or more information please visit https://support.signal.org/


To check out our source code, visit https://github.com/signalapp


Follow us on Twitter @signalapp and Instagram @signal_app

Ratings and reviews

Great. Reliable. Call quality excellent. I'm updating my review. Ratings remain at 5/5. However, one of the competitors have developed the capability to prevent a recipient of a photo or video from using screen recorder to record the images or video you sent, and they can't forward or save it. This is schieved through the one-time view option. Signal developers, please work on this capability. It is an important step forward in advancing privacy controls.

I've been using it for a couple of years now. Excellent app and excellent quality. Picture resolution for sharing is high res. Great video quality. Secure/private communications, and the best part is they don't read all private messages, contacts, email, financial... like all the other messaging apps. Hats off to the developers on this app.

This is a pretty good app overall. I like how you can change the wallpaper on each current that you're on, as well as preset the wallpaper for any NEW chats that you get invited onto and I like how you can change the notification sound for each chat.( I didn't notice is, if you could Customize the wallpaper? If you can't, that would be a fun option). What I would improve is for the messaging to show when the message that you have sent has been seen/read.

What's new

★ We've added a new way to keep your Signal contacts nice and tidy. This Halloween season, remove the ghost of an old contact by long-pressing on their name in the contact list on the New Chat screen and selecting the "Remove" option.