App development agency

Joost Gunterman

Need more info?

Please feel free to contact us via phone or email. We will be happy to help.

DTT as your app development agency


The development of a new app requires a great deal of expertise. App development agency DTT has sufficient experience in building mobile applications for iPad, iPhone and Android but is also able to make some qualitatively web applications. Our team existing of developers, designers, marketers and account managers challenge themselves every day to find fresh opportunities. With the opportunities we try to fulfill your wishes in an innovative way. Your app idea or goal will be in the hands of creative, result oriented, transparent people with the know-how to create a strong and distinguishing app concept. Our portfolio speaks for itself. Not yet convinced about the qualities of app development agency DTT? We will give you some extra reasons why DTT is perfectly suited as your partner when it comes to app development.

DTT is a full service app agency

At first, DTT is a full service app agency where clients can benefit of our experience and knowledge of app development, design, brand strategy and promotion. As full service partner we are able to offer more than only the development process. We can also provide you with an accurate research concerning your app. In this research we look at current apps that might offer the same services and we do look at the possible chances of succeeding of your app. Besides this useful research we can also provide you with a profitable way of promotion. This way your app will get more attention what normally leads to more downloads in the app store. At DTT we look further than app development only, we also make sure your app is going to be a success.

DTT offers useful advice

At app development agency DTT our clients are our source of inspiration. When the assignment is clear, our team will go to work with full focus at every development stage. Apart from the fact that we always exactly deliver what our clients indicate, we also provide them with advice if we think that is necessary. During the whole development process we will think along with our clients. When we bump into an in-app function we are doubting about we let our clients know and offer a possibly better solution. At DTT we have specialised ourselves in the app business which means we know what we are talking about and are able to give advice that is perfectly suited for your needs. We only suggest better options if we really think they will have a positive influence on your concept. No worry, the advices we provide our clients with are completely open-ended so you will still be the final decider of what will be happening to your app. Our knowledge and skills combined with your strong concept will be the base of a great collaboration.

Experienced app development agency

Whether you ask for small or complex app solutions in iOS, Android or HTML5 (web app), DTT will always be able to advise you or help you to achieve the objective. The DTT team is achieving results in the app world for quite a while now. This has caused the fact that we as a company have gained a lot of experience in the last couple of years. We have worked together with some renowned companies already, and are still working with a few. Satisfied DTT clients that were ahead of you: multinationals, government organisations, well-known Dutch companies and of course the well appreciated smaller companies. For example, ING, BAM, Staatsloterij, Krasloten, Ajax and more. Have a look at our portfolio and see the successful apps we already built. You could also take a look at the references from some of DTT her satisfied clients.

BEDRIJFS-APPS ontwikkeld door DTT

business apps

DTT has extensive experience in developing business apps for both public and in-house distribution. We have developed such apps as ING Marketing day app and BAM Inspiration solution.

CONSUMENTEN APPS ontwikkeld door DTT

consumer APPS

Our aps have great succces in the app stores. Among our most popular apps are RIVM Tick bite awareness app , Doula Labor Coach app and OSR Augmented Reality app.

Game apps ontwikkeld door DTT

Game apps

Game apps are an effective and fun way to support a campaign and increase customers' loyalty. Our most fine examples of the developed games are Krasloten December game and PokerConnect app.

WEB OPLOSSINGEN ontwikkeld door DTT

WEB solutions

Apart from apps DTT specializes in developing sucessfull websites for different purposes. HG Webshop and HG Order Portal are few examples of the web solutions we have made.



Want to know more about the possibilities we provide concerning app development? We invite you for a non-binding conversation at our office where we discuss all the possibilities towards your app idea. DTT is renowned as an honest partner. When we don’t have enough trust in your concept we directly inform you about this and offer other possible solutions. Interested in a collaboration with app development agency DTT? Please contact us and make an appointment for a first meeting. We are located in the center Amsterdam.

Testimonials from our clients


ING Bank

Stephan Swerissen, Formula Manager Sparen en Beleggen

"We would like to emphasize:

  • Young, enthusiastic, technical and professional employees
  • Quick feedback + Good communication via phone / email 
  • Good at executing a concrete idea"

De Lotto

Fiona Mirrer, Coordinator Marketing Communication

"For our most popular and best-known lottery scratch-card, December Calendar, we came up with the idea to develop a fun game that you can play both on the PC and on your phone. For this, we started looking for a multimedia partner and found DTT. Despite the short timetable, DTT has made a super game: the December Calendar game. This game, starring the penguins from the December Calendar 2014  lottery scratchcards, is based on an existing game and is intended as a free fun bonus. You can't win (money) prizes, but you can get the highest score! Communication was smooth, clear and fast and we could always turn to DTT if we had questions. DTT also thought actively with us on how we could generate more downloads and gave us good advice where necessary. In short, DTT has been an excellent partner. We will certainly continue working with DTT in future."

Joost Gunterman

Need more info?

Please feel free to contact us via phone or email. We will be happy to help.