
Free
About
RuntimeX is a dive planner designed for advanced recreational and technical divers who want to create and manage dive plans in a simple, fast and reliable way.
It supports Open Circuit Multi-Gas and Closed Circuit Rebreather (CCR) dives, allowing you to plan complex profiles with gas switches, multiple setpoints and
detailed decompression.
RuntimeX integrates the Bühlmann ZHL-16C and VPM decompression algorithms, letting you analyze different decompression strategies and generate complete
runtimes for every dive.
Key Features
• Open Circuit Multi-Gas dive planning
• CCR support with setpoint management
• Bühlmann ZHL-16C and VPM algorithms
• Automatic decompression calculation
• Nitrox, Trimix and Oxygen support
• Gas switch management during the dive
• Detailed runtime analysis
• Dive profile visualization
• Save and edit dive plans
• Quick duplication of existing plans
• Intuitive interface optimized for field use
Designed for technical diving
Whether you're planning a simple recreational dive or a complex technical dive with Trimix and accelerated decompression, RuntimeX helps you organize your plan
in seconds.
The app is designed to provide quick access to essential information, with a clean interface focused on planning.
Disclaimer
RuntimeX is a dive planning tool. All generated plans must be reviewed and validated by the user before use. The user is solely responsible for the correct
execution of the dive and for compliance with all applicable safety procedures.
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What's New in RuntimeX
1.0.4
June 16, 2026
- Contingency planning — simulate the dive with conservative margins (+3/+6 m depth, +5/+10 min bottom time) and compare results against the base plan in both the output panel and PDF export - Live MOD/ppO₂ indicators — switch depth auto-updates whenever you change O₂% or ppO₂ limit; visual warning when switch depth exceeds the calculated MOD - Improved lost-gas PDF section — each scenario now includes a full deco stop schedule and per-gas consumption table - Refined layout — dive levels section moved directly below the primary plan card for a faster input flow - Minor dark mode UI contrast fixes
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