App development & design house

We help companies launch their products. And scale to millions of users.

Make your startup dream a reality


We love to work with startups because they are as passionate as we are about their products. Whether you need a brand new app, a full website redesign or just some sprucing up of current products, we want to help and make your startup dream a reality.

Ruby on Rails Web Development


We build web applications using Ruby on Rails and AngularJS. Our Agile team focuses on quality code so it easily grows with your business needs. Quickly release new features and test them with users thanks to continuous delivery.

Mobile App Development


Our iOS and Android developers can craft any app, including E-commerce, B2B, or social networking platforms. The in-house design team makes sure your mobile app stands out and attracts a global audience.

UI & UX Design


We love beautiful design and will settle for nothing less. Our designers create stunning graphics for responsive websites or mobile apps across all screen sizes. We create a smooth user experience tailored for your audience.

Our Recent Work


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An efficient Agile app development process


We will talk to you about your product vision and decide with you if we are a good fit for your project. If we are, we’ll send you a project estimate for your review. Then we’ll pick the right designer or development team and will get started working on your product’s vision right away.

app development process

Our team becomes your team


With over 100 successful project launches, we’ve got the experience to deliver the results you want. Our app development team is passionate about creating quality products that will bring your vision into reality.

Read our startup tips


Keep up with the latest in app development and design. Follow our blog for expert insights from our team, new technologies and the projects we’re working on.

MCE Retrospective: Afterthoughts From Our Mobile Devs

8 of our developers took part in the MCE conference that happened in Warsaw few weeks ago. All of them had an awesome time and decided to share their afterthoughts. MCE retrospection by EL Passion's Mobile Developers (View in Fullscreen Mode ) from EL PassionMateusz Szklarek Read more

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ELPassionBlog

DropColour – Our Open-Source Arcade Game for iOS in Swift 2.2

DropColour is an arcade game in which you simply have to drag and drop one circle onto another of the same color. When you do that both circles will disappear from the screen with nice animation and a sound. The game has no time limit. You lose when the Read more

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ELPassionBlog

The Pair Programming Experiment – Part III: The Results

This is Part III of a three-part series on our Pair Programming Experiment. For the experiment, we created two teams working on 2 projects for 2 weeks. One team worked in pairs, second as solo developers. After first week teams started a new project and swapped methodologies. Read all about Read more

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ELPassionBlog

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