Abysner vs Caveradar

Abysner is an open-source, modern dive planning tool with a focus on simplicity and usability. Built to give something back to the diving community, its primary aim is not to be the most feature-rich, but to be quick, user-friendly, and straightforward. Whether you're planning a deep technical dive or just want to check your MOD, Abysner makes dive planning smooth, accurate, and fast—perfect for use even right beside the water. Supported Features: • Models: Supports Buhlmann ZHL-16 A, B, and C with gradient factors. • Multi-Gas Support: Plan dives with Air, Nitrox, Oxygen, Trimix, Helitrox, Heliox, and more. • Oxygen: Includes OTU and CNS tracking for safe dive planning. • Customizable Settings: • Set salinity and altitude according to the diving environment. • Adjust SAC rates, ascent/descent rates. • Fine-tune decompression stop intervals and last deco stop depth. • Control max PPO2 for both during deco stops and normal diving. • Gas Picker: An intuitive interface for selecting and managing gas mixes, with critical information at your fingertips. • Automatic Contingency Plans: Automatically adjusts for longer or deeper dives, with configurable extra time and depth. • Gas Planning: • Visual chart of gas requirements per mix. • Density and PPO2 info at maximum depths for each gas. • Multi-Level Dive Planning: Plan dives across different depths with ease. Please note: CCR planning is not available yet. More coming soon!

Caveradar. Know before you dive. Plan your cave dives with confidence using recent, structured condition reports — plus weather context and directions — whether you're planning tomorrows' dive in Florida, next weeks' dives in Mexico or next years' trip to France. What you get: • Recent cave-condition reports: visibility + flow + hazards (structured, easy to compare) • Weather context for every site • Driving directions + access context to simplify planning • Offline caching: key info stays available at the site even with weak signal • Partner listings in-app: find endorsed instructors and dive centers Contribute (fast, no noise): • Add a report in seconds using dropdown-only inputs - no typing • Every report helps keep conditions fresh for the next team Coverage: • France: Lot, Hérault, Ardèche and Doubs (new addition!) • Germany: nationwide coverage • Switzerland • Italy: most regions (expanding) • UK: some caves, expanding • USA: Florida • Mexico: Quintana Roo • Norway • Sweden • Finland • New Zealand • Australia • Spain (new addition!) Built for cave divers, by cave divers. Important: The information presented on this platform is not a substitute for proper cave diving training, certification, personal site assessment, or professional guidance.