Signal - Private Messenger app for iPhone and iPad


4.2 ( 6912 ratings )
Utilities Social Networking
Developer: Signal Messenger, LLC
Free
Current version: 7.22, last update: 4 months ago
First release : 29 Jul 2014
App size: 142.37 Mb

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

Pros and cons of Signal - Private Messenger app for iPhone and iPad

Signal - Private Messenger app good for

One word: perfect. This is the one app to use for secure communication.
Really a great app. All functions for the delay interaction with your friends implemented... Thanks for making the world a little better.
A definite "must have" on each mobile device for mobile messaging. Lets hope that there will be a Windows Phone version soon. Until then not a 100% replacement for Threema for me.
Open source secure messaging is a win-win. This is an essential app in every persons iPhone.
Signal does everything it promises to do. Encrypted communication is important, and signal does it with an intuitive interface and mini features.
Clean, concise, full featured and free. But most importantly is encrypted securely.

Some bad moments

Downloaded, tried to login > not possible to receive the sms, and calls doesnt work too. No login, no party. Uninstalled, back to Telegram.
Whit the last update the app completely stop working, it only crashes on start
Again, the idea of the app is great. But when I try to make phone calls any conversation lasting more than 30 minutes gets dropped. Not cool. Also, if I send a text to someone and happen to not be in a service area it shows up as light blue (indicating that it hasnt gone through) but does not give me the option to resend or retract. (Retracting a message would also be a nice option, as well as delayed messages where I can choose a date and time in the future to send something.)
Still as of version 2.3.3 in June 2016 Signal app will not let you proceed past an initial request to grant it access to ALL of your contacts and to provide your phone number. Uh.... resounding NO. There is no functional reason why the app would need access to all of your contacts, or your phone number, both requirements to even use the app. The only logical conclusion is that they force users to give their phone numbers and contacts for some reason other than for the app to function as a messaging platform. Who knows what those reasons are, but we can rest assured that theyre not good reasons. Until they make this optional then I will stick to other secure messaging apps. That being said, I hope they see the stupidity of this approach when trying to woo people concerned about privacy, and eventually do the right thing. If/when that day comes, Ill give it a try.
It cannot complete my verification code. I love this app, sad to see its broken
The requirement to allow Signal access to all your contacts is a deal breaker. Unfortunately since WhatsApp is owned by Facebook, that just leaves Threema.

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