5K+
Downloads
Content rating
PEGI 3
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About this app

A free app for calculating decompression profiles and gas consumption for technical divers.

* truly free: no ads, no runtime limit, no in-app purchases
* Bühlmann ZHL-16C with gradient factors
* up to three decompression gases
* Air/Nitrox/Trimix
* calculates gas consumption, minimum gas, required tank volume
* CNS%, OTU, ppO2, ppN2, gas density
* salt water / fresh water
* choose last stop depth
* choose metric or imperial (psi, ft) units
* share profiles by other apps (email, whatsapp, ...)
Updated on
Jul 13, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

What’s new

* library updates for Android 15

App support

About the developer
Dr. Michael Pronath
techdeco@yahoo.com
Germany