Abysner vs Halcyon Dive Systems

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!

Explore without limits: Your Ultimate Diving App Dive smarter and safer with the Halcyon App. Enjoy this powerful tool for logging, tracking, and sharing all your diving experiences while experiencing unprecedented integration with your Halcyon computer. With the Haclyon app you have full control over all computer settings, allowing the creation of profiles that include tailored settings and gases, pushed to the computer with the click of a button. You can also enjoy a full-featured "dry-diving" mode to explore all the unique features of our Symbios-connected products. From beginners to seasoned pros, the Halcyon App empowers you to explore the underwater world with confidence, share with our vibrant community, and track your diving progress. Key Features: Symbios Integration: Sync with Symbios-enabled devices, including the Handset, HUD, Rebreather and more. Manage your settings, create saved profiles with tailored settings and gases, track dive profiles, and access advanced metrics. Log Your Dives: Keep a detailed record of your dives. Monitor your progress over time and relive your diving adventures. Social Logbook: Share your dive stories, photos, and achievements with divers worldwide. Stay motivated and inspire others along the way. Diving Community: Connect with divers at any level. Share tips, discover new dive spots, and stay in the loop with the latest dive trends. Personalized Dive Tips: Get advice tailored to your diving experience with helpful tips and tricks, no matter your skill level. Halcyon Owner Benefits: Enjoy exclusive perks if you're a Halcyon owner—priority support, extended warranties, and special offers to get the most out of your gear. Why Choose Halcyon App? The Halcyon App isn’t just for logging and tracking—it’s your gateway to a richer diving experience. With cutting-edge technology, a thriving community, and personalized insights, the Halcyon App helps you dive smarter, stay connected, and explore like never before. Whether you're diving at a technical site or simply enjoying a recreational dive, the app ensures every dive is memorable, safe, and exciting. Stay Connected, Stay Inspired Join a passionate diving community where you can share experiences, connect with fellow divers, and keep up with the latest Halcyon innovations. The Future of Diving Is Here With Symbios Ecosystem integration, the Halcyon App lets you customize and track your gear, log dives, and connect with divers worldwide. Experience the underwater world with the latest tools, all from your phone. For Divers at Every Stage Whether you're just starting out or have hundreds of dives under your belt, the Halcyon App helps you track your dives, manage your gear, and stay in touch with the diving community. Download Halcyon App Today Join the next generation of divers—download Halcyon App and start exploring without limits.