Useful and comprehensive toolkit for scuba gas blender.

- partial pressure blending of trimix, nitrox, heliox
- continuous blending of trimix, nitrox, heliox
- ideal and real gas model (van der Waals)
- costs calculation
- top off from storage and more

The program is an completely rewritten successor to DIR-Wetnotes Application. Optimized for better user experience on the larger devices such as Tablet or desktop.

What’s New

Version 2.0.19

Factory setting for used gas calculation model has been changed from "ideal gas" to "real gas vdW"

Ratings and Reviews

1.0 out of 5
1 Rating

1 Rating

Professor Haldane ,


Sliders for mix entry? There must be something I’m not understanding. There has got to be a better way to enter the percentages for each gas component and tank pressures.

App Privacy

The developer, Oleg Gurevich, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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