Nitrox Buddy is a no-frills calculator app for nitrox/enriched air divers - use it to quickly calculate the most important data for your dive: Maximum Operating Depth/MOD, Equivalent Air Depth/EAD and Best Mix.

Configurable units: works with feet or meters, sea or fresh water, and comes with a companion watch app.

What’s New

Version 2.1

This update adds 1.5 bar to the possible values for max PPO2.
Also, warnings for unrealistic/dangerous values in the EAD calculation are now clearer.

Ratings and Reviews

4.9 out of 5
192 Ratings

192 Ratings

snowman16cz ,

KISS principle at its best

"Simple stupid" apps which does exactly what it should. No bothering ads, no weird user interface, fast and easy Nitrox calculation every time. Most simple app but best compared to other diving apps available in store.

Dr Patrick Calhoun ,

Very simple and accurate

Couldn’t ask for more. Slide the bar, get the answers. Great app!

Pdcharter ,

Simple and accurate

Great, simple, easy to use app for any EANx Diver. Thanks for the easy interface and uncomplicated data.

App Privacy

The developer, Gereon Steffens, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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