iPhone Screenshots


Reefbook Nitrox is an easy to use all in one nitrox calculator. It provides all the information you need as student in a nitrox training or as a certified nitrox diver.

It calculates nitrogen and O2 partial pressure, the maximum operational depth (MOD) and the air equivalent depth (AED). In compliance with PADI, CMAS, SSI and other diving organizations guidelines Reefbook Nitrox calculates up to EAN 40.

What’s New

Version 1.0.3

This app has been updated by Apple to use the latest Apple signing certificate.

Support of iPhone X

App Privacy

The developer, Cephei AG, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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