DTS Gas Guru
William Goodman · Utilities
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Chart standing · US
What changed · US
Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.
- Mixer: the top-up gas and the second bank are now "Custom mix", with oxygen AND helium, so you can top up from a trimix bank or a storage cylinder of mix. - Pinch to zoom the MOD, Density and Mixer tables. Pinch back or double-tap to return. - Mix Library: ships with six working mixes; the add-a-mix form is the first row; "Suitable at" lists every gas you can breathe at the depth; each row's MOD follows that mix's own limits; a mix you delete stays deleted. - Clearer MOD labels: the Density tool and cylinder labels state the ppO2 and END each depth was worked out at. - SCR: choose CMF or PSCR before any figure is shown. - Settings: Reset restores every setting; water temperature stops at 33 °C everywhere; new mixes start on your own limits. - The quick start turns its page with a swipe. - "SM / TWINS" on the cylinder pickers. - Many smaller wording and display fixes. Always analyse every cylinder before you breathe from it.
In-app purchases · US
No in-app purchases.
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About
The DTS Gas Guru is a professional technical diving tool built for CCR and open circuit divers. Designed for real-world diving, Gas Guru delivers fast and accurate calculations for Best Mix, MOD, END, EAD, gas density, and gas mixing with costing — all in one clean, reliable interface. Whether you're planning deep trimix dives, analysing gas mixes, or checking safe operating limits, Gas Guru helps you make confident decisions underwater, built on the same dive-physics engine that powers DTS Dive To Survive. WHAT'S IN THE TOOLKIT • Best Mix — ideal O2/He blend for your target depth, PO2, and END (OC + CCR diluent) • Gas Check — verify a fill against your PO2 limit or CCR setpoint, with MOD, END and density • Mixer — Nitrox and Trimix blending, top-up planning, "what if" scenarios, decant calculations • Density — gas density at depth against caution and critical thresholds, with adjustable water temp factored in • Gas Cost Calculator • SCR Loop Calculations SAVE AND SYNC YOUR MIXES Create a free account to sync your saved gas mixes across all your devices. Your data is end-to-end encrypted before it leaves your device. Gas Guru works fully offline; an account is only needed for cloud sync. CLEAN, FOCUSED, NO ADS No clutter, no ads, no distractions — just the numbers you need before you get in the water. DESIGNED FOR • Technical divers • CCR divers • Trimix divers • Dive professionals and instructors Built from real-world diving experience — not just theory — Gas Guru provides practical tools you can rely on when it matters most. Plan it. Trust it. Dive it.
What's new · 2.11.1
- Mixer: the top-up gas and the second bank are now "Custom mix", with oxygen AND helium, so you can top up from a trimix bank or a storage cylinder of mix. - Pinch to zoom the MOD, Density and Mixer tables. Pinch back or double-tap to return. - Mix Library: ships with six working mixes; the add-a-mix form is the first row; "Suitable at" lists every gas you can breathe at the depth; each row's MOD follows that mix's own limits; a mix you delete stays deleted. - Clearer MOD labels: the Density tool and cylinder labels state the ppO2 and END each depth was worked out at. - SCR: choose CMF or PSCR before any figure is shown. - Settings: Reset restores every setting; water temperature stops at 33 °C everywhere; new mixes start on your own limits. - The quick start turns its page with a swipe. - "SM / TWINS" on the cylinder pickers. - Many smaller wording and display fixes. Always analyse every cylinder before you breathe from it.
Details