We don't work for you.
We work with you.

Building a good team takes a lot of time, effort and a bit of luck. With our combined experience in design & development, we can provide what is needed for the steps ahead.

Our Services

We help our clients realize ideas from first sketch, to launch day and beyond

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UI/UX Design

Our focus is on how a set of features actually work. Visual stunning apps punctuating ease of use and an emphasis on content discovery.

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App Development

By selecting the befitting tech stack and platform for the deliverable in question, we build responsive mobile and web apps using native or no-code / low-code platforms.

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Market Strategy

By understanding the mechanics of digital marketing, we make sure to put your product, at the right time, in front of the right people.

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QA and Testing

Our QA engineering team makes your product bug-free, bulletproof and performance-driven throughout both automatic and manual testing.

about us

We are a design first mobile development studio

Duet represents a versatile team, blending design and user experience proficiency with mobile development excellence. With over a decade of experience, we have consistently crafted top-tier products for both established companies and promising startups.

selected projects

Mobile apps to get excited about



The ultimate tool for RETSY agents, offering exclusive access to private listings, real-time market insights, and seamless communication, elevating the luxury real estate service.

WeTransfer Collect

Collect is the best way to save everything that inspires you and fuels your ideas. Upload images and videos, save links and anything from across your apps, then organize it all into visual boards.

WeTransfer Collect
One Medical

One Medical

Reimagining the doctor’s office. One Medical makes it easy to get primary care for your body and mind right from your phone.


Your business is in good hands

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"Frank and I worked together on a mobile project. Right from the start Frank was able to ramp up quickly across all teams - engineering, product and design with the client."

Tyler Cassleman
iOS Engineer
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Let's work together!

However big or small your need, we’ll build you a beautiful mobile app or web app that’s tailored specifically to your needs.