What we stand for 

Five important facts about our apps

  • 1.

    We develop learning apps for the interested in nautical science

  • 2.

    Our apps are freely available to encourage knowledge sharing

  • 3.

    Each app a subject and all together a total digital learning platform

  • 4.

    Easy to use apps with extensive help pages for the more complex tools

  • 5.

    Nautical formulas and tables integrated into our apps simply to download on your smartphone

What we offer

High quality app development for the nautical industry


educational apps 

At DBG Nautical we develop instructive apps, covering various subjects of the nautical sciences. Through our app integration, the material is immediately available from your smartphone. You always have your course in your pocket. Our digital strategy offers you more chances to succeed and to keep your knowledge up to date


nautical calculators

Some of our apps contain nautical calculators showing a high degree of integration and strong visual representation. We regularly receive feedback from professional seafarers who use our apps daily during work on board. Your proposals are getting integrated to make our calculators even more powerful and better. With apps from DBG Nautical you clearly take the lead!

together stronger

DBG Nautical has some very well trained experts, of university level, with additional nautical education and experience. Our calculators require not only solid IT knowledge, but also mathematical expertise and graphical design skills. Regardless of which continent of the world you are in, our portfolio, our expertise, our IT skills, may be an added or complementary value to your project or idea


Our app portfolio

Apps currently available for download


international code of signals

This is an app designed for learning and testing knowledge on ICS flags and associated messages


IALA Maritime buoyage system

IALA Maritime Buoyage System application was designed for students to learn and self-test their knowledge on the IALA buoyage system


nautical wind calculator

Based on ship's data (heading and speed over ground), this nautical wind calculator returns true and apparent wind (speed and direction)

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compass calculator

This learning and free compass app explains everything you need to know about compasses, magnetic and gyro types


port traffic signals

This app helps you understanding International Port Traffic Signals (IPTS) used to control traffic movements in ports and port approaches


meteo calculator

With this meteo calculator, you get some handy calculators all in one app, directly usable on board of your ship


imo dangerous goods

This app is all about the International Maritime Dangerous Goods Code (IMDG), and how these goods must be safely stowed and transported on board of a ship


marine safety signs

With this Marine Safety Signs app you will quickly learn and understand the meaning of many safety signs and symbols which are used extensively on board of ships


navigation calculator

This app is your companion for all your chart work: it covers basic chart plotting problems, rhumb line calculations and great circle calculations


tidal calculator

This tidal calculator app is all about the vertical and horizontal movement of the water. Designed and optimized as a companion for the Admiralty Tide Tables, but also for other publications


marine pipe markers

This app is all about identification of pipes and pipes medium on board of ships following the ISO 14726:2008 Standard.

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astro calculator

This powerful Astro Calculator is a professional and strategic tool allowing you to determine a vessel's position (FIX) based on celestial observations

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celestial illumination

This app calculates the time of sun and moon rising and setting, as well as the ground illumination for any location on earth 

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Let us know which app you want to see here


This place is reserved for one of our future projects

marine radar app

This app is currently under development and you can already see the first screenshots on this webpage

Work in progress...

Some of our future release candidates


Radar app in development phase, 

ARPA plotting, views from the bridge


What our customers tell us...


An email we got...

Good day,It is so helpful to train my student cadets with your unique educational applications. I'm happy in sharing thanks from my students and my personal regards to your efforts


Flag app

The best app to train the flags! I suggest including quiz to train the messages when seeing the flag. Congratulations to the developers!


Compass app

This is a great app that is extremely useful to the modern navigator. It makes quick work of many daily calculations. The use of inputs from the phone such as time and position is very useful, accurate and a time saver. I highly recommend this to anyone in the maritime industry


Tidal app

Software for those with a serious interest. Great theory section. Love the simulation of the Kelvin machine. Good looking. Now off to find those local harmonic constants


Navigation app

Best app I have ever seen. 💯 helpful app

correct calculations



An email we got...

I am very thankful on the app. that you made. It helps a lot to me as navigator... You truly nailed it, amazing mobile app.Looking forward you will make another app for the navigator or officer onboard...Best wishes and more success! Respectfully yours,


Astro app

DBG makes fantastic software. Astro Calculator does things I've been interested in for ages but had difficulty in finding apps to do the calculations. I love this app.


Compass app

Just the fact the app was updated to take into account the new World Magnetic Model of epoch 2020 speaks of the excellence and seriousness of the developers. Thank you.


An email we got...

Great applications. 

Please keep I coming.

 I am available as support when need some testing and confirmations


DBG Nautical Software

Brussels North Station

Rue du Progrès 76-80

P.O. box 20

1030 Brussels


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DBG Nautical Software is Approved vendor for the IGAPP program

©2016 - 2021 by DBG Nautical