# Scuba Diving Computer Oceanic+ vs Simple Nitrox

The clearest difference is update cadence: Scuba Diving Computer Oceanic+ at every 3 weeks against Simple Nitrox's every 29 months. Scuba Diving Computer Oceanic+ also leads on chart position (#73 vs unranked). Simple Nitrox's advantage is iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Scuba Diving Computer Oceanic+ sells 7 in-app purchases, starting at $1.99 per month and Simple Nitrox sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scuba Diving Computer Oceanic+ ships an update every 3 weeks, Simple Nitrox every 29 months. The most recent releases landed on October 1, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Scuba Diving Computer Oceanic+ | Simple Nitrox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (4.7K ratings)](https://appshunter.io/ios/app/scuba-diving-computer-oceanic-plus/id1610517133/reviews)** | — |
| Number of ratings | **4.7K** | — |
| Positive reviews | 68.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 29 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#73** | — |
| Size | 102 MB | 2 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Huish Outdoors, LLC](https://appshunter.io/developer/1591942998) | [Simon Chivers](https://appshunter.io/developer/1698955737) |

## What reviewers say

### Scuba Diving Computer Oceanic+

[App page](https://appshunter.io/ios/app/scuba-diving-computer-oceanic-plus/id1610517133)

**Currently charting:** #73 Top Grossing · Sports (US App Store)

Transform your Apple Watch Ultra into a comprehensive dive computer for scuba, freediving, and snorkeling. Explore new locations with heatmaps, track your routes, organize underwater media, and share your adventures securely. Plan dives, monitor real-time data, and stay safe with advanced algorithms.

**Highlights:** Dive computer functionality, Snorkeling route tracking, User-generated dive spot heatmaps, Dive log and media organization, Pre-dive planner, Real-time dive data monitoring, Freediving mode with custom alarms

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Snorkeling+ | $1.99 | per month |
| Freediving Monthly | $4.99 | per month |
| Monthly | $9.99 | per month |
| Annual | $79.99 | per year |
| Annual Family | $129.99 | per year |
| One day | $0.99 | one-time |
| One Day | $4.99 | one-time |

**What reviewers like**

- 🚀 Bright, clear display
- 👍 Intuitive and easy to use
- 🚀 Detailed dive logs and analytics
- 👍 Helpful safety alerts and vibration feedback
- 🚀 Seamless integration with Apple Watch

**What reviewers complain about**

- 🔒 Subscription-based model
- 🐛 Syncing issues between watch and phone
- 🐛 Unreliable dive mode activation
- 🐛 Premature dive end when surfacing briefly
- 🔒 Lack of air integration

**Reported bugs**

- App crashes or freezes during dives
- Dive data not syncing correctly between devices
- Incorrect depth/time recording in some cases
- Unexpected switches between dive and snorkel modes

**Requested features**

- Ability to manually add/edit past dives
- Option to customize data screens and information displayed
- Automatic dive mode activation upon submerging
- Air integration with tank pressure monitoring
- Offline functionality and dive log backup


### Simple Nitrox

[App page](https://appshunter.io/ios/app/simple-nitrox/id6463395880)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple Nitrox Full Access | $0.99 | one-time |


## Frequently asked questions

### Is Scuba Diving Computer Oceanic+ free?

Scuba Diving Computer Oceanic+ is free to download, with in-app purchases available.

### Is Simple Nitrox free?

Simple Nitrox is free to download, with in-app purchases available.

### Do Scuba Diving Computer Oceanic+ or Simple Nitrox have ads?

Neither Scuba Diving Computer Oceanic+ nor Simple Nitrox shows ads.

### Which is updated more often, Scuba Diving Computer Oceanic+ or Simple Nitrox?

Scuba Diving Computer Oceanic+ ships an update every 3 weeks, and Simple Nitrox every 29 months. Most recently, Scuba Diving Computer Oceanic+ was updated on October 1, 2026 and Simple Nitrox on September 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*