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DTS Gas Guru

DTS Gas Guru

CCR & Trimix Gas Calculator

0 ratings
2 reviews
🔧 Utilities
⚽ Sports
$4.99

Details

  • Released
  • Updated
  • March 26, 2026
  • July 30, 2026

Features

Developer

William Goodman
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About

This professional technical diving tool provides fast and accurate calculations for dive planning, gas analysis, and safe operating limits. It's designed for CCR and open circuit divers, offering essential features in a clean interface for confident underwater decisions.

✓MOD, END, EAD calculations
✓Best Mix calculator
✓Gas density with temperature adjustment
✓Gas mixing with adjustable O₂ purity
✓CCR diluent analysis
✓Trimix and Nitrox support
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+1

What's New in DTS Gas Guru

Gas Guru v2.0.3

July 30, 2026

Gas mixing - Nitrox now blends the full 21-100% O2 range: EAN50, EAN80 and pure O2 - MOD and density corrected for high-O2 deco mixes - New cylinder picker with a twin toggle for any cylinder Planning - Your PO2 limits now drive every MOD shown - Labels print the PO2 the MOD was figured at - Salinity: Fresh, EN13319, Salt (matches Shearwater) - CCR setpoint switches at target depth, then low SP to surface - Deco switch time now affects the schedule - Corrected Simple Thirds turn pressure

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User reviews

Most RecentHighest RatedLowest Rated

Great little gas planning app

This a smashing little utility for planning and mixing OC and CCR gases.

All the information needed in one place including PPO2, END and temperature variable Gas Density.

Calculate your best mix based on these criteria and then use the app to mix it. All this in an intuitive, easy to use, modern interface.
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Tech Diver 0411Tech Diver 0411

Response from developer

Thank you so much for your review! im very happy that you like it and im happy to listen to any suggestions for improvement. Safe Diving

Black Water Tek Gas Guru

This app just solved all the problems I never knew I had🤿
Game changer.
Komodo1*Komodo1*

Response from developer

Fantastic ! Thank you so much for your review. Im happy to hear that its of use to you !!

FAQ

What is DTS Gas Guru used for?

DTS Gas Guru is a professional technical diving tool that provides fast and accurate calculations for dive planning, gas analysis, and determining safe operating limits for CCR and open circuit divers.

What types of dives does DTS Gas Guru support?

DTS Gas Guru supports Trimix and Nitrox dives, making it versatile for various technical diving scenarios.

How accurate are the calculations in DTS Gas Guru?

The app is designed for real-world diving and delivers fast, accurate calculations, including a Best Mix calculator that avoids rounding errors.

Is DTS Gas Guru available on Android?

DTS Gas Guru is currently supported on iPhone and iPad devices.

How much does DTS Gas Guru cost?

DTS Gas Guru is a paid application, priced at $4.99.

When was DTS Gas Guru last updated?

The latest version, Gas Guru 1.7, was last updated on May 3, 2026.

What is the age rating for DTS Gas Guru?

DTS Gas Guru has an age rating of 4+, making it suitable for a wide range of users.

Does DTS Gas Guru have ads?

No, DTS Gas Guru does not contain advertisements.