# O'Dive — Air / Nitrox / Trimix / Heliox

> Dive safety app analyzing gas microbubbles for personalized decompression assessment. (iPhone/iPad app by AZOTH SYSTEMS.)

- Source: https://appshunter.io/ios/app/odive/id1534593720 (this page in markdown: same URL + `.md`)
- Developer: [AZOTH SYSTEMS](https://appshunter.io/developer/1534593722)
- Category: Sports, Health & Fitness
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 25 MB
- Languages: English
- Released: 2020-10-20
- Data updated: 2026-06-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/odive/id1534593720/reviews.md

## What is O'Dive?

O'Dive's unique and patented technology includes an acoustic sensor connected to a smartphone app and a server with specialised analysis capabilities.

O'Dive's objectives are:
- Indicating to divers, by taking into consideration gas microbubbles
detected, the adequation of their decompression procedures with their own person and diving practice;
- Help them improve their practice and safety.

The personalization of the diving procedure is based on the acoustic measurement of circulating gas microbubbles detected post-dive in the divers' venous system.

O'Dive app allows to control the sensor by being the interface between the sensor, the server and the user.

O'Dive is a technological innovation developped by AZOTH SYSTEMS.

## Key features

- Acoustic sensor technology
- Gas microbubble detection
- Personalized decompression analysis
- Diving practice improvement
- Diving safety enhancement
- Sensor control interface

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/odive/id1534593720/reviews.md

### 5/5 — A must for advanced divers

*2021-04-25*

For anybody who is doing more than staying well within the no deco limits this is as must. Coupled with a dive computer using zh-l16c with gradient factors it allows you to quantify the impact of a dive exposure on your body and find the right GF combination for you, optimize your deco time and determine whether you are using the best gas mixes to suit your individual physiology. The purchase of the O’Dive sensor is well worth it.

## Frequently asked questions about O'Dive

### What is O'Dive used for?

O'Dive is used to analyze gas microbubbles detected after a dive. It helps divers assess the adequacy of their decompression procedures and improve their diving practice and safety.

### How does O'Dive work?

O'Dive utilizes a patented acoustic sensor connected to a smartphone app. The sensor detects gas microbubbles in the venous system post-dive, and the app analyzes this data to provide personalized insights.

### Is O'Dive suitable for all types of diving?

The app's subtitle mentions Air / Nitrox / Trimix / Heliox, suggesting it is designed to support analysis for various breathing gas mixtures used in technical diving.

### What devices support O'Dive?

O'Dive is available for iPhone, iPad, and iPod devices, as indicated by its supported devices list.

### How often is O'Dive updated?

The latest version of O'Dive is 2.9.108, and it was last updated on April 29, 2026. This indicates a recent update and ongoing development.

### What is the age rating for O'Dive?

O'Dive has an age rating of 4+, making it suitable for a wide range of users.

### Does O'Dive have ads?

No, O'Dive does not contain advertisements. The app is free to download and use without any ad interruptions.

### Can O'Dive be used offline?

The description focuses on the sensor and server analysis capabilities, implying an internet connection may be required for full functionality, especially for server-side analysis.

## Version history (last 5 releases)

### 2.9.108 — 2026-04-29

Subsurface dives import fixes
ergonomics, stability and performance improvements
iOS support improvements

### 2.9.92 — 2025-05-22

ergonomics, stability and performance improvements
iOS support improvements

### 2.9.87 — 2024-06-19

ergonomics, stability and performance improvements

### 2.9.77 — 2023-12-02

ergonomics, stability and performance improvements

### 2.9.76 — 2023-11-24

Shearwater Petrel 3 and Perdix 2 dive computers support

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*