# Scuba Diving Computer Oceanic+ vs AWU2UDDF

The clearest difference is rating: AWU2UDDF at 5.0 against Scuba Diving Computer Oceanic+'s 4.4. AWU2UDDF also leads on in-app purchases (none vs 7) and review sentiment (100% vs 69%). Scuba Diving Computer Oceanic+'s advantage is update cadence (every 3 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. Scuba Diving Computer Oceanic+ 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: Scuba Diving Computer Oceanic+ has 4.7K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 69% of Scuba Diving Computer Oceanic+'s written reviews are positive against 100% of AWU2UDDF's.

Scuba Diving Computer Oceanic+ ships an update every 3 weeks, AWU2UDDF every 14 months. The most recent releases landed on October 1, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Scuba Diving Computer Oceanic+ | AWU2UDDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (4.7K ratings)](https://appshunter.io/ios/app/scuba-diving-computer-oceanic-plus/id1610517133/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/awu2uddf/id1661616210/reviews)** |
| Number of ratings | **4.7K** | 2 |
| Positive reviews | 68.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 14 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#72** | — |
| Size | 102 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

### Scuba Diving Computer Oceanic+

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

**Currently charting:** #72 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 Scuba Diving Computer Oceanic+ free?

Scuba Diving Computer Oceanic+ 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, Scuba Diving Computer Oceanic+ or AWU2UDDF?

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

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

Neither Scuba Diving Computer Oceanic+ nor AWU2UDDF shows ads.

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

Scuba Diving Computer Oceanic+ ships an update every 3 weeks, and AWU2UDDF every 14 months. Most recently, Scuba Diving Computer Oceanic+ was updated on October 1, 2026 and AWU2UDDF on September 6, 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.*