Gas Blender Toolkit
Oleg Gurevich Sports iPhoneiPadiPod touch
Gas Blender Toolkit is a paid Sports app for iPhone and iPad by Oleg Gurevich. Rated 3.0/5 from 2 ratings. Requires iOS 15.0. Updated August 27, 2026.
- Rating
- 3.0
- 2 ratings
- Price
- 2.99 USD
- on the App Store
- Size
- 3 MB
- Age 4+
- Updated
- Aug 27
- 2026 · v2.0.38
Screenshots
About Gas Blender Toolkit
Gas Blender Toolkit is a comprehensive, purpose-built calculator for technical and recreational scuba divers who blend their own breathing gases. FUNCTIONS • Partial-pressure gas blending with freely configurable fill order • Continuous / delta-gas blending method • Decanting from a storage bank, with calculation of the number of possible fills • MOD / END tables for standard scuba gases • pSCR loop oxygen-reduction calculation at constant volume ratio • CCR rebreather diluent END calculator for any depth and chosen PPO2 setpoint FEATURES • Real gas (Van der Waals) or ideal gas calculations • Cost calculation for each gas fill • Fully customizable standard gas list • Accounts for gas heating during filling • Clean, fast and easy to use • Available in English, German, Russian and Spanish Gas Blender Toolkit is the completely rewritten successor to the DIR-Wetnotes app, redesigned from the ground
What’s new
Version 2.0.38 · Updated August 27, 2026
- The CCR table can now also show the diluent as open circuit: PPO2 and gas density of the unchanged diluent, i.e. the bailout case - Limiting depths are listed separately for loop and diluent - Depth steps are only coarsened where the finer step adds nothing
App privacy
The developer, Oleg Gurevich, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Gas Blender Toolkit
Looking for apps like Gas Blender Toolkit? Here are 6 similar apps on the App Store. The highest rated is Trimix Tools (5.0/5), and 4 of the 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Gas Blender Toolkit | 3.0 / 5 (2 ratings) | 2.99 USD | August 27, 2026 | |
| Trimix Tools | 5.0 / 5 (5) | 6.99 USD | Oct 22, 2026 | Compare |
| Nitrox Tools | 5.0 / 5 (4) | 5.99 USD | Oct 22, 2026 | Compare |
| SUEX Calypso | – | Free | Sep 1, 2026 | Compare |
| Decosoft | – | Free | Sep 14, 2026 | Compare |
| DecoPlanner mobile | – | Free | Dec 4, 2024 | Compare |
| Halcyon Dive Systems - Diving | 5.0 / 5 (8) | Free | Oct 8, 2026 | Compare |