How much does it cost to
build an app like Signal Private Messenger?

SovTech specialises in mobile app development, iOS, Android, hybrid technologies and progressive web apps.


Why choose SovTech for your bespoke app development?

SovTech is an award-winning software and mobile app development company. With over a decade of engineering experience, along with over 200 tech professionals, we are experts in building custom mobile applications for any business, in any industry.

Our multidisciplinary teams, comprising tech-enthusiasts with elite and varied development expertise, are geared towards building scalable products that service growth-focused businesses. We strive to deliver bespoke solutions that innovate using cutting edge technologies and cloud software at competitive and flexible rates.

Signal Private Messenger logo

What is Signal Private Messenger?

Signal is a free messaging and voice-calling service that prioritizes privacy. You may text, call, or video chat with friends one-on-one or in groups, and use emoji reactions and stickers exactly like you would in other apps.


The History of Signal Private Messenger

While other IM services have developed under the aegis of massive corporate conglomerates, Signal was founded by and is still run by a small group of people.

Moxie Marlinspike, a security researcher, and Stuart Anderson, a roboticist, established the two communication services that eventually comprised Signal. They released TextSecure for messaging and RedPhone for voice conversations, both of which allowed end-to-end encrypted communication, from their mobile security software firm, Whisper Systems, which they cofounded in 2010. Marlinspike became the platform’s head of cybersecurity after Twitter purchased the firm a year later. They re-released their two encrypted communication services as open-source apps, and Marlinspike departed Facebook in 2013 to found Open Whisper Systems, an open-source initiative.

Marlinspike and others at OWS continued to grow.



Screen Security

The app ensures that you can block others from taking screenshots of a chat.


Read receipts

Signal, like WhatsApp, provides the ability to turn off or on Read Receipts, which basically tells you if someone has read or not viewed your messages. You can also switch on or off typing indications in the messaging app, which means you may turn off the option to show when a message is being typed.


Group invitation privacy

When you create a group on Signal, all of your friends will not be automatically added to it. Signal sends an invite to the people you wish to create with once you submit their names, and they must accept the invite to join the group.



Use Signal Private Messenger on these platforms:




Tech Stack

Signal Private Messenger is built using this tech stack





Cost of building an app like Signal Private Messenger

£65 000


Benefits of custom over off-the-shelf software​

While off-the-shelf software might be cheaper to set up, custom app development can be uniquely tailored to meet your specific business needs. Bespoke software is high-quality, built by a team of expert professionals, offering you better and more features than the limited features that are available with generic software.

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Examples of our work

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