# Abysner

> The open-source dive planner

Canonical page: [https://chrome-stats.com/d/id6636477320](https://chrome-stats.com/d/id6636477320)

## Overview

- **ID:** `id6636477320`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Roelof Rene Smit
- **Category:** Sports
- **Rating:** 5.00 / 5 (2 ratings)
- **Version:** 2.1.1
- **Last updated:** 2026-05-27
- **First published:** 2024-10-08
- **Size:** 42 MB
- **Data as of:** 2026-09-17
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/abysner/id6636477320)
- **Privacy policy:** [https://github.com/NeoTech-Software/Abysner/blob/main/composeApp/src/commonMain/composeResources/files/privacy-policy.md](https://github.com/NeoTech-Software/Abysner/blob/main/composeApp/src/commonMain/composeResources/files/privacy-policy.md)

## Description

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!

## Rankings

- #685,219 — Overall

## Similar extensions and apps

- [Decosoft](https://chrome-stats.com/d/id6453846218)
- [DiveHub - Multi Dive Tool](https://chrome-stats.com/d/id6756101582)
- [Diver Planner](https://chrome-stats.com/d/id6772659830)
- [Diveplanner Tec & Rec](https://chrome-stats.com/d/id1506985833) — 3.10 / 5
- [Bubble Deco](https://chrome-stats.com/d/id6778112134)
- [Baltic Deco Planner](https://chrome-stats.com/d/id304464483) — 4.70 / 5
- [Dive Toolbox](https://chrome-stats.com/d/id6759796903)
- [Deep Frontier Dive Tools](https://chrome-stats.com/d/id6787112416)
- [Baltic Deco Planner Lite](https://chrome-stats.com/d/id344421395) — 3.80 / 5
- [DecoPlanner mobile](https://chrome-stats.com/d/id1580563324)
- [iDeco Pro](https://chrome-stats.com/d/id329772936) — 3.90 / 5
- [Deep Tools](https://chrome-stats.com/d/id1476093876) — 4.60 / 5

---

Source: [Chrome-Stats](https://chrome-stats.com/d/id6636477320)
