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, ...)