Signal App – why is it become so popular and how it makes money without advertisement ?

Signal App become more familiar when whatsapp published new privacy policy guidelines to their users and said it will be officially they share or leak data with facebook and all whatsapp’s user should follow it even it will be deactivate after 28 feb, 2021. Means if those whatsapp’s user is not obey it, their account will be terminate soon. Hence, user became so paining and search for alternative platform which gives them privacy as well. Some of them try to use Russian’s messaging application Telegram too.

Later, Tesla and SpaceX, CEO and world’s richest man Elon Musk tweeted “use signal” and therefor huge traffic were generated for this app such that company announced their server down notice because maximum downloads. So, now in this article, we are talking about this amazing app called Signal in details…

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What is Signal Application ?

Signal is a cross-platform centralized encrypted messaging service developed by the Signal Foundation and Signal Messenger. It uses the Internet to send one-to-one and group messages, which can include files, voice notes, images and videos. It can also be used to make one-to-one and group voice and video calls, and the Android version can optionally function as an SMS app.

Signal uses standard cellular telephone numbers as identifiers and secures all communications to other Signal users with end-to-end encryption. The apps include mechanisms by which users can independently verify the identity of their contacts and the integrity of the data channel.

What is end-to-end Encrypted Messaging System in Signal ?

The end-to-end encrypted messaging service Signal was launched in 2014, and has become more widely used in 2019 and 2020. Signal’s growth has often spiked during “periods in which decisions are questioned or undone—to moments of social and political upheaval”. However, the roots of Signal go back to earlier encrypted voice and text apps of the early 2010s.

All communications between Signal users are automatically end-to-end encrypted. The keys that are used to encrypt the user’s communications are generated and stored at the endpoints (i.e. by users, not by servers). To verify that a correspondent is really the person that they claim to be, Signal users can compare key fingerprints (or scan QR codes) out-of-band. The app employs a trust-on-first-use mechanism in order to notify the user if a correspondent’s key changes.

How Does Signal Make Money ?

Signal allows users to make one-to-one and group voice and video calls with up to 8 people on iOS, Android, and desktop. All calls are made over a Wi-Fi or data connection and (with the exception of data fees) are free of charge, including long distance and international. Signal also allows users to send text messages, files, voice notes, pictures, GIFs, and video messages over a Wi-Fi or data connection to other Signal users on iOS, Android and a desktop app. The app also supports group messaging.

Signal’s software is free and open-source. Its clients are published under the GPLv3 license, while the server code is published under the AGPLv3 license. The official Android app generally uses the proprietary Google Play Services (installed on most Android devices) for functions such as push notifications. Signal also has an official client app for iOS and a web app on desktops.

All features are FREE without any advertisement, Strange ? obviously, Signal isn’t meant to make a profit (or any money, really). They’re using grants and donations from investors and various foundations to sustain the project. While there’s no telling whether they’ll introduce some monetization ideas in the future, should the funding run dry, for now, they’ve received millions in donations and can likely operate pretty well.


The non-profit Signal Foundation was launched in February 2018 with initial funding of $50 million from Brian Acton. As of June 2020, Signal had more than 32.4 million total downloads, and the app had approximately 20 million monthly active users as of December 2020.

Signal, however, is a non-profit organization. This lack of a business model is a significant reason why the app is so focused on privacy. Since the company isn’t trying to make money, it can exist for the sole benefit of the user. Instead of earning a profitSignal relies on donations to stay up and running.

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