What We do

Our specialty is front-end development with React. That's our mastery and something we love the most. However, we often handle full-stack JS development with Express.js, Firebase and GraphQL to build APIs powering our apps.

Progressive Web Apps

Progressive Web Apps

Building a React web app or updating an existing one?

We use the latest development practices to create future-proof, performance optimized code ready for scale. From Hooks to Redux or Storybook.

Our Agile approach covers everything from unit tests to CICD. We create more than a modern interface, but the one optimized for user experience.

Native Mobile Apps

Native Mobile Apps

Creating a cross-platform native app for iOS and Android?

We combine our React Native experience with native code in Swift and Java, to create mobile apps including all the bells and whistles users expect these days.

Leverage the latest features, UI kits, and Firebase powered backend to give your customers a mobile app that scales with your business.

Agency Partnership

Agency Partnership

Our services are the perfect match for your agency.

We deliver the development expertise to create a lot of value for your customers, and you can monetize it via one-time projects or monthly retainers.

Already have agency partnerships? We'll be a breath of fresh air. Our result-oriented culture and project management skills are infectious.

Already Helped 100+ Clients

We helped a variety companies from successful startups with an investment from Mark Cuban on SharkTank (Chapul) to huge international brands (MAM Baby) or the largest watch retailer in Europe (Watches2U).

Why our clients love us? It’s simple! We help them build apps that drive engagement and improve their business KPIs. Our work is exceptionally results-oriented. But don’t just take our word for it…

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John and his team delivered top-notch service. He provided patient and consistent communication throughout the redesign and launch of a ground-up website. Most importantly John has always done exactly what he's promised - usually more.
Chris Lesser
CEO of Union Garage NYC

Our Approach

It's not just about building native & web apps. We'll help you get the most effective solution that enables your userbase and business growth. You'll enjoy working with us as much as we enjoy building your app.

Latest Development Practices

We always stay on the top of new features and libraries to make sure your app pushes the limits of what's possible and stands the test of times.

User Experience & Accessibility

It's not only about great design but creating easy to follow paths to achieve users' goals. Our solutions are ADA compliant to become accessible for everyone.

Performance & Scalability

We aim for your success. Our source code is always written with a focus on growing your app to millions of users and adding new features on the way.

Data-driven Approach

The combination of data analysis, UX research, and surveys helps us find the hidden gems in your user behavior and improve your app engagement.

QA & Testing

We got you covered. Our quality assurance includes everything from unit to user testing to evaluate any potential issues prior and even after the big launch.

Agile Project Management

We meet our deadlines. You'll always stay in sync with the current progress, and we leave enough flexibility for changes to the scope as needed.

About Us & You

Hi there! I’m John, the founder of Pixelter and the lead developer. There is one thing I’m really passionate about – building the best user experiences.

John Komarek

I created my first website at age 11, and I've spent the last 18 years perfecting the skills required to develop the next generation of progressive web & native apps.

In fact, over the last couple of years, we have helped more than 100 businesses build and improve their app engagement by up to +276.6%.

How did we do it?

We combine our development skills with user data analysis, UX, and psychology to build apps that users fall in love with and keep coming back.

Based in London, UK and working with clients from the US, UK, and Singapore, we'll become the development team that helps you transfer ideas to polished products.

John Komarek
Founder & Lead Developer