ToolsX
Sports
Free · Designed for iPad. Not verified for macOS.
ToolsX is the gas calculator for technical and recreational diving: plan the right mix, check safety limits and get the exact blending recipe, all in one beautifully designed app.
GAS PLANNER
• Automatic nitrox or trimix recommendation from depth and max ppO2
• Live MOD, END, ppO2 at depth and gas density
• Density warnings (5.2 and 6 g/L thresholds) and mix depth ceiling
• Manual trimix analysis with free O2/He input and "oxygen is narcotic" option
MIX RECIPE
• Enter your starting and target mix: the app computes the exact helium, oxygen and air additions
• Fill sequence picked automatically from all 6 permutations to minimize the transient ppO2 peak
• Step-by-step breakdown with tank pressure and ppO2 after every addition
BLEND STUDIO
• Direct partial-pressure trimix blender
• Step blending mode (add He, O2, air) with final mix and ppO2 peaks
• Manual sequence override when you need it
PRESETS
• Save and recall complete gas, tank and blending setups
• Metric (m, bar, L) or imperial (ft, psi, ft³) units with automatic conversion
Italian and English interface, instant calculations as you type, Liquid Glass design built for iOS 26.
Note: ToolsX is a planning aid. It does not replace technical training, gas analysis procedures or your dive computer. Always dive within the limits of your
certification.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
- New blend cost page with estimated total, O2/He/air breakdown, and fixed refill fee.
- Improved Gas section with clearer Best Gas, Check Mix, and Quick MOD modes.
- Quick MOD now supports helium, with ppO2, END, and density checks.
- Mix and Blend sections reorganized to separate target recipes from manual simulation.
- Interface, localization, and quick-control improvements.
The developer, MATTEO GARZULANO, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- MATTEO GARZULANO
- Size
- 3 MB
- Category
- Sports
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
- English and Italian
- Age Rating
16+
- 16+
- Copyright
- © 2026 Matteo Garzulano