TechDeco
4.7star
94 reviews
5K+
Downloads
Everyone
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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, ...)
* 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, ...)
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Ratings and reviews
4.7
87 reviews
A Google user
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19 April 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.
2 people found this review helpful
Mark Martin
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7 June 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.
Easy App Master
8 June 2020
Thank you for updating your feedback. This option is enabled by default, because after a typical gas switch such as Tx18/45 to EAN50 at 70ft, helium off-gases independent from depth so there's no benefit from an immediate fast ascent to the first deco stop and divers prefer to slow down. With air as bottom gas, it's different.
A Google user
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10 May 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
What's new
* update library versions and target SDK to Android 14