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.
What's New in 2.0.2 Gas Mixer: Nitrox blending now supports the full 21–100% O₂ range, so you can mix EAN50, EAN80, and pure O₂ deco gases directly (previously capped at 40%) Fixed MOD and gas density readings for high-oxygen deco mixes CCR diluent recommendations are now correctly capped at 21% O₂ Turn Pressure: Simple Thirds and Cave Thirds now use their correct, distinct calculations Fixed cylinder label placement in Best Mix and Gas Check Renamed "Dive Monitor" to "O₂ Toxicity Tracking" for clarity Sign-in is no longer required to use the app — create a free account only if you want cloud sync General bug fixes and stability improvements
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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 — 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 • Turn Pressure — quick turn-pressure calculations • Min Gas — minimum gas reserve 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 · Gas Guru v2.1.0
What's New in 2.0.2 Gas Mixer: Nitrox blending now supports the full 21–100% O₂ range, so you can mix EAN50, EAN80, and pure O₂ deco gases directly (previously capped at 40%) Fixed MOD and gas density readings for high-oxygen deco mixes CCR diluent recommendations are now correctly capped at 21% O₂ Turn Pressure: Simple Thirds and Cave Thirds now use their correct, distinct calculations Fixed cylinder label placement in Best Mix and Gas Check Renamed "Dive Monitor" to "O₂ Toxicity Tracking" for clarity Sign-in is no longer required to use the app — create a free account only if you want cloud sync General bug fixes and stability improvements
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