Privacy-first messaging with end-to-end encryption via the Signal Protocol
Open-source, nonprofit model with no advertising or investor funding
Free messaging, voice, video, and file sharing across devices
Robust group features: chats up to 1,000 and calls up to 50, with admin controls
Stories with 24-hour visibility controls maintaining user privacy
Strong privacy posture and minimal data collection due to open-source design
Brand messaging focuses on privacy, which may be less emphasized in mainstream messaging competitors' marketing
Requires a broad set of permissions typical for a feature-rich messaging app, which may raise user concerns for some.
About Signal Private Messenger
Signal Private Messenger is a communication app developed by Signal Foundation.
Download Statistics
Signal Private Messenger has been downloaded 200 million times. In the last 30 days, the app was downloaded 2.1 million times. It is ranked #4 in communication.
User Ratings
Signal Private Messenger is rated 4.53 out of 5 stars. The rating is based on 2.9 million ratings.
App Information
Signal Private Messenger is FREE to download. The APK download size is 92.62 MB. The latest version available is 8.20.4. The last update was on July 20, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play May 2010.
Description
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 50 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
Recent changes: ★ Now you can easily add an Android tablet as a linked device and bring your chats to the big screen. ★ Introducing disappearing call events: Missed, outgoing, and received calls that occur after you install this update will automatically disappear in any chat where disappearing messages are enabled. ★ This update also improves video quality and increases the maximum length of sent videos, which will hopefully make your summer vacation feel a little longer too.
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The version and everything is cool I love signal, and thanks for the app it's cool, thank you
★★★★★Ivan Vorzheinov· Jul 26, 2026
Very good and private. Maybe need some fix because from time to time see only one check mark in the circle, means that delivered to server even I read the messages hate to be filled in the circle. So maybe it's bug. As well as when have video call, after starting call you have missed call, no screen with video, also when someone calls not seen notification window, all like in the background. Other things work perfect as well.
★★★★★Invalid· Jul 11, 2026
I think wonderful app for privacy, please add chat lock just like wp
★★★★★Cassidy· Jul 15, 2026
First, I disagree with removing SMS support. The one-star review is because I used your "export" feature, and lost all my messages. You say, "they will be available for any SMS app", however, they're not. I've tested multiple SMS apps and there's also no SMS messages in the local store where the export should have gone.
★★☆☆☆Paul· Jul 21, 2026
Disappointing, because names and numbers doesn't show up only just names. How can I contact person by the phone number? If the phone number is not showing up. As I use 2 phones, one for phone calls and one floor the internet
★☆☆☆☆Ibn Masud Sadman· Jul 11, 2026
Stuck on the login screen for weeks. Absolute joke. I've been trying to log into my account for weeks, but it constantly says "We are unable to send an SMS to your number. Please try again in several hours." I wait days, try again, and get the exact same error immediately. The funny part? If I use a friend's number, the OTP arrives in 2 seconds. The issue is entirely on Signal's servers blocking or failing to route SMS to my specific number. Fix your backend.
★☆☆☆☆Enide Royer· Jul 11, 2026
I don't receive notifications on my galaxy watch 7. My phone is always on vibe, I miss all my calls and messages. I receive from WhatsApp and all other apps but signal. Especially when I'm at work I rely on my watch for notifications, but I'm not getting them.
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