Signal - Private Messenger iOS
Signal - Private Messenger icon

Signal - Private Messenger

by Open Whisper Systems

Universal App - Designed for both iPhone and iPad.

Price: Free

App Description

Privacy is possible, Signal makes it easy.
Using Signal, you can communicate instantly while avoiding SMS fees, create groups so that you can chat in real time with all your friends at once, and share media all with complete privacy. The server never has access to any of your communication and never stores any of your data.

• Say Anything - Signal uses an advanced end to end encryption protocol that provides privacy for every message every time.

• Open Source - Signal is Free and Open Source, enabling anyone to verify its security by auditing the code. Signal is the only private messenger that uses open source peer-reviewed cryptographic protocols to keep your messages safe.

• Be Yourself - Signal uses your existing phone number and address book. There are no separate logins, usernames, passwords, or PINs to manage or lose.

• Group Chat - Signal allows you to create encrypted groups so you can have private conversations with all your friends at once. Not only are the messages encrypted, but the Signal server never has access to any group metadata such as the membership list, group title, or group icon.

• Fast - The Signal protocol is designed to operate in the most constrained environment possible. Using Signal, messages are instantly delivered to friends.

• Speak Freely - Make crystal-clear voice and video calls to people who live across town, or across the ocean, with no long-distance charges.

For support, questions, or more information, please visit:

Source code:

Follow us on Twitter (@WhisperSystems) for all of the latest updates and announcements.

What's new in version 2.10.1

• *NEW FEATURE* Block people from messaging or calling you on Signal iOS. Just tap on your conversation settings for that user, or go to Signal Settings > Privacy > Blocked. • Fixed audio message play back. (Sending voice notes coming soon!) • Fixed crash upon receiving unsupported attachment format. • Raised GIF size limit to 25 MB. • Added ability to send PNG images without converting them to JPGs. • Added ability to share images directly from full screen image view. • Fixed scenario when attachments could get stuck mid-download if Signal was closed while downloading. • Updated to make sure the keyboard doesn’t get in the way of choosing the last contact in the list when starting a conversation. • Made a more handsome group list when editing or creating a group. • Fixed “Received Message was out of Sync. Tap to Reset Session.” and “No available session for contact.” errors. • Fixed "Too many failures" error when sending to a contact who had reinstalled Signal. • Corrected repeated alerts of "Unregistered User" and "Safety Number Changed" appearing three times instead of once. • Improved registration to show the country code (e.g. US) next to the calling code (+1). • Updated registration flow to properly reformat number after changing the country code.

Rank in top paid apps

Ranking - Apps (iPhone) - United States
  • Signal - Private Messenger is a highly rated app with 4.5 stars.


  • Initial release v2.10.1 Jul 29, 2014
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App Details

Current Version: 2.10.1
File Size: 51Mb
Publisher: Open Whisper Systems
Content Rating: 4+
Users Rating: 4.50 (69 reviews)

App Overview

The Signal - Private Messenger app game is now available for free on iOS. The application is compatible with iOS 8.0 or later on the following devices: iPhone 7, iPhone 6, iPad 3, iPad Mini and iPod Touch 5G or newer.

Download Signal - Private Messenger and use it on your iPhone or iPad (See button below). If you have an Android or Windows device, you can find links to download this app here.

Developer site: Support

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Signal - Private Messenger Has Add-Ons

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Reviews (See all reviews)

  • Getting better all the time

    Rated 5 out of 5
    By waxieus, April 24, 2017
    Much gratitude to Moxie and team. Please keep up the great work.
  • I would give it 100stars

    Rated 5 out of 5
    By Dimple Bear, April 24, 2017
    100stars for it It's secure and reliable.
  • Good tool.

    Rated 5 out of 5
    By IsaySimonsays, April 24, 2017
    Excellent use of an app.
  • Gotta do something

    Rated 5 out of 5
    By Works fine43542, April 23, 2017
    All I know is that they're listening to everything I do so anybody that's trying to stop that I have...
  • self selected social networking

    Rated 5 out of 5
    By mrizzo, April 23, 2017
    all the people on signal seem cool
  • Protect your privacy

    Rated 5 out of 5
    By Lanhar, April 23, 2017
    Signal is the only choice for protecting your private messages. Everything else is a mere imitation.
  • More please!

    Rated 5 out of 5
    By mmb-777, April 22, 2017
    The internets needs more of this level of security. Thanks Signal guys!
Our Verdict: Average!

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