# Oceanic+ Scuba Diving Computer vs AWU2UDDF

The clearest difference is rating: AWU2UDDF at 5.0 against Oceanic+ Scuba Diving Computer's 4.4. AWU2UDDF also leads on review sentiment (100% vs 62%) and in-app purchases (none vs 7). Oceanic+ Scuba Diving Computer's advantage is update cadence (every 4 weeks vs every 14 months) and ratings volume (4.7K vs 2). On price, ads and device support there is nothing between them.

Both are free to download. Oceanic+ Scuba Diving Computer sells 7 in-app purchases, starting at $1.99 per month. AWU2UDDF asks for nothing beyond the download.

AWU2UDDF holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Oceanic+ Scuba Diving Computer has 4.7K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 62% of Oceanic+ Scuba Diving Computer's written reviews are positive against 100% of AWU2UDDF's.

Oceanic+ Scuba Diving Computer ships an update every 4 weeks, AWU2UDDF every 14 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Oceanic+ Scuba Diving Computer | AWU2UDDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (4.7K ratings)](https://appshunter.io/ios/app/oceanic-plus-scuba-diving-computer/id1610517133/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/awu2uddf/id1661616210/reviews)** |
| Number of ratings | **4.7K** | 2 |
| Positive reviews | 62.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 14 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#64** | — |
| Size | 76 MB | 1 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) | [Douglas Junkins](https://appshunter.io/developer/1661616212) |

## What reviewers say

### Oceanic+ Scuba Diving Computer

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

**Currently charting:** #64 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


### AWU2UDDF

[App page](https://appshunter.io/ios/app/awu2uddf/id1661616210)

Export underwater depth and temperature data from your Apple Watch to a standard UDDF XML file. This file can then be imported into popular diving log software for comprehensive record-keeping. It seamlessly integrates with the Health App and HealthKit.

**Highlights:** Export underwater depth and temperature data, Standard Universal Dive Data Format (UDDF) XML output, Import into Macdive or Subsurface, Integrates with Health App and HealthKit

**In-app purchases:** none


## Frequently asked questions

### Is Oceanic+ Scuba Diving Computer free?

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

### Is AWU2UDDF free?

AWU2UDDF is free to download, with no in-app purchases.

### Which has better reviews, Oceanic+ Scuba Diving Computer or AWU2UDDF?

AWU2UDDF is rated higher. Oceanic+ Scuba Diving Computer averages 4.4 out of 5 from 4.7K ratings, while AWU2UDDF averages 5.0 from 2 ratings.

### Do Oceanic+ Scuba Diving Computer or AWU2UDDF have ads?

Neither Oceanic+ Scuba Diving Computer nor AWU2UDDF shows ads.

### Which is updated more often, Oceanic+ Scuba Diving Computer or AWU2UDDF?

Oceanic+ Scuba Diving Computer ships an update every 4 weeks, and AWU2UDDF every 14 months. Most recently, Oceanic+ Scuba Diving Computer was updated on November 6, 2026 and AWU2UDDF on November 3, 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.*