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Software house focused on your goals

We develop apps users want to have and your business wants to maintain

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Our projects

See our portfolio

Services

We support our clients at every stage of the project. Our team will help you with ideation, design, prototyping and the entire app development process.

Cat and smartphones
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Mobile apps development

We specialize in native apps development for iOS and Android. Swift and Kotlin are our preferred languages. We also create cross-platform apps with Flutter technology.

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Web apps development

We take care of both front-end and back-end, and make sure the interface is intuitive. Our solutions are always custom-made to meet users’ and business needs.

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Mobile apps connected
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PRODUCT DESIGN Workshops

During our workshops we plan a product development roadmap and choose suitable technologies. It’s the best way to find out what has to be done for your idea to see the light of day and bring measurable benefits.

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Technologies

We build our native iOS apps with Swift, while for Android we choose Kotlin. We also develop cross-platform apps with Flutter technology. And if you need a web app, our team will prepare it for you with PHP, Ruby on Rails, Node.js or React.js.

Kotlin logo
Swift logo
Flutter logo
Logo React
Logo Node.js
Logo Ruby
Logo PHP

Our clients

answear logo
Arkady Wrocławskie logo
Egmont logo
forBET logo
Galeria Dominikańska logo
Nordisk Film logo
pixers logo
Politechnika Warszawska logo
Rosa logo
Sky Tower logo
Trans.eu logo
Universal Music Group logo

Why choose us?

Logo Mobile Trends Awards

Mobile Trends Awards 2017

Nomination in M-commerce category

17

clients reviews

Clutch logo
Logo Legalni bukmacherzy

Legal Bookmakers Award 2019

Best Mobile App

60+

projects in portfolio

Testimonials

Build your app with us

Just answer a few questions, so we could estimate your project

1 What would you like to build?

2 What technologies do you want to use?

3 Do you want to build a new product from scratch or develop an existing one?

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You’re not ready for the estimation yet?
If you want us to help you choose the best technologies or features – let us know.
Send us a message to contact@holdapp.pl or take part in our Product Design workshop.