# AWU2UDDF vs AWU Divelog

The clearest difference is price: AWU2UDDF at Free against AWU Divelog's $3.99. AWU2UDDF also leads on rating (5.0 vs 3.0) and review sentiment (100% vs 67%). AWU Divelog's advantage is update cadence (every 2 months vs every 14 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

AWU2UDDF is free to download; AWU Divelog costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AWU2UDDF holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 100% of AWU2UDDF's written reviews are positive against 67% of AWU Divelog's.

AWU2UDDF ships an update every 14 months, AWU Divelog every 2 months. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | AWU2UDDF | AWU Divelog |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/awu2uddf/id1661616210/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/awu-divelog/id6450554075/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 months** |
| Monetization | **Free** | Paid |
| Size | 1 MB | 1 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Douglas Junkins](https://appshunter.io/developer/1661616212) | [Stefan Taber](https://appshunter.io/developer/1693881112) |

## What reviewers say

### 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


### AWU Divelog

[App page](https://appshunter.io/ios/app/awu-divelog/id6450554075)

This app reads dive data from your Apple Watch Ultra, displaying and organizing your dives with detailed statistics and graphical representations. Export your dive logs in a universal format for use with other dive software.

**Highlights:** Reads dive data from Apple Watch Ultra, Lists dives with duration, depth, and temperature, Sorts and groups dives by various metrics, Graphical display of depth and temperature, Exports dives in UDDF XML format, Provides overall dive statistics

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AWU2UDDF free?

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

### Is AWU Divelog free?

AWU Divelog costs $3.99, with no in-app purchases.

### Which has better reviews, AWU2UDDF or AWU Divelog?

AWU2UDDF is rated higher. AWU2UDDF averages 5.0 out of 5 from 2 ratings, while AWU Divelog averages 3.0 from 2 ratings.

### Do AWU2UDDF or AWU Divelog have ads?

Neither AWU2UDDF nor AWU Divelog shows ads.

### Which is updated more often, AWU2UDDF or AWU Divelog?

AWU2UDDF ships an update every 14 months, and AWU Divelog every 2 months. Most recently, AWU2UDDF was updated on October 7, 2026 and AWU Divelog on October 4, 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.*