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TechDeco

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, ...)

Category : Sports

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Reviews (17)

Nol. G. Apr 19, 2019     

Thanks for creating this! I love the simplicity and works great. I do have two feature requests: 1. Support repetitive dives. Even if you just add the ability to specify RNT in addition to minutes (so the RNT time doesn't count towards gas calculation). Bonus points for providing a way to calculate RNT. 2. Make it so I can select/copy the text I'd be happy to beta test or help out adding features.

Lar. D. Feb 3, 2022     

Really great job! Simple and straight forward. I'll have to look at your alternate min gas a bit closer to compare as the standard one doesn't quite work when my buddy may have a significantly higher sac. Thanks so much for this app.

Yve. May 10, 2019     

Less is more Very good app. Better than most deco planners. Excels in simplicity, lightweight and does everything you need. No ads, no spam or whatsoever. Kudos to the creator. Respect

Mar. M. Jun 7, 2020     

I rated this low originally because the setting to ascend at 10ft per minute after first stop caused weird runtimes when doing stop to gas switch to EAN32 at 130 ft. I recommend disabling that in settings. I increased rating to 5 stars because of the fast and helpful response by Easy App Master.

Fla. S. Dec 31, 2018     

Really good app. Easy and intuitive to use, and it's free! I would love to see the VPM-B algorithm some time in the future and maybe the option to add more than one trimix gas. Thank you, keep up the good work.

Fre. F. May 21, 2020     

Simple, clean interface. If I was OC, I would use this easily, but it doesn't have a constant PO2 for CC rebreather (that I could see).

Ant. P. May 31, 2019     

Good simple app, but can you set your own stop intervals? for a 42m dive with a bottom time of 30 mins I'd like to stop at 21m, and then every 3m. would be great if the ascend stops could be customised like 21, 18, 15, 12, 9, 6 I want the GF to be 50/70 I'd use EAN 25 as my bottom gas and EAN50 from 21m upwards.

Adr. N. Feb 17, 2021     

This is a very helpful app! While I'd certainly like to see support for planning repetitive dives, it's quite useful as-is.

Rob. M. Oct 23, 2021     

I like this app, I like how easy it is to use. Is there any way to get support for multiple deco dives planned with a surface interval? Appreciate your hard work.

Tho. S. Apr 25, 2019     

Great dive planner for multiple gasses! A nice extra feature would be the option to provide a max TTS to plan the dive instead of a botom time.

Rob. M. Sep 27, 2021     

I like this app...very simple. I can't see where we can change the PP02 to 1.6 for deco gases? All my plans with the app seem to indicate 1.5 and no way to change?

Ved. V. May 31, 2020     

Great, simple, does the job right and I would say that it's comparable, if not better than the overly expensive alternatives.

Oll. Jul 26, 2020     

Really simple to use and top result. I recommended the app on my Facebook page "dive sites australia and new zealand"

Bal. B. Nov 7, 2019     

Simple and powerful. Great job.

dan. Apr 29, 2020     

Phantastic simple App! How to register for the beta?

Bri. S. Jul 31, 2019     

it's good for feedback

Suh. S. May 10, 2020     

Option paling best sbb bleh calculate Air & Nitrox