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About TechDeco

Calculates decompression profiles and gas consumption for technical dives

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, ...)

What's New in the Latest Version 1.9.7

Last updated on May 24, 2024

* update library versions and target SDK to Android 14

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Additional APP Information

Latest Version

Request TechDeco Update 1.9.7

Uploaded by

ام حمزة شريف

Requires Android

Android 4.1+

Available on

Get TechDeco on Google Play

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TechDeco Screenshots

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