Making Apps GREAT Again

Advanced digital solutions and technical engineering excellence that you can trust
for your iOS | Android app.

Our Projects


Research, analysis and wireframe

We analyse your needs, the market and best case scenario. We then research various methods to suit the best solution.

Design, prototype and develop

Our UI/UX designers work on the screen flows. Our engineers build the api and first test versions. We focus on the correct architecture and the minimisation of technical debt.

Testing and production

With our QA staff we start app first testing and then refining and debugging. We employ continuous improvement and testing software to build quality into the code from the start.

Support and development

Our online and telephone support service for app users improves the app. We implement new technologies such as Artificial Intelligence and Bitcoin payments.

About Us

App Factory Ltd, established in 2013 are iOS and Android App design and development specialists. Jointly owned by Lance Nelson (British) and Atanas Tonchev (Bulgarian) we are based in Sofia and Plovdiv in Bulgaria.

We offer all the services required for a successful app project from initial architecture, design, UI/UX, native iOS and Android development, api development, web design and development, Quality Assurance and end user customer support. Our bespoke client solutions are flexible and focused while offering our clients exceptional value.

All our App Factory team are fluent in English and enjoy an attractive package which includes work at home and flexible working arrangements. Our ethos is based on team work, learning, communicating ...


Our Team

Photo of Atanas

Atanas Tonchev


Photo of Lance

Lance Nelson


Photo of Vasil

Vasil Hristov

Full-stack | Lead Mobile Engineer

Photo of Joro

Georgi Georgiev

Full-stack Developer

Photo of Alexander

Alexander Dimitrov

UI/UX Designer

Photo of Pavel

Pavel Radev

Front-end developer

Photo of Georgi

Georgi Teoharov

iOS Developer

Photo of Hassan

Hassan Moghaddasi

iOS Developer

Contact Us

Interested in learning more about how we can help your organisation?
Or maybe you wish to join our team? You are welcome to reach out to us and we’ll be in touch with you shortly.

//if you wish to apply for a job offering, please click on the Careers button

open-newtab Careers

Contact Information

  +359 892 348 600

  Sofia / Plovdiv , Bulgaria