# AWU2UDDF vs Digidive

The clearest difference is in-app purchases: AWU2UDDF at none against Digidive's 2. Digidive's advantage is update cadence (every 2 weeks vs every 14 months) and ratings volume (33 vs 2). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Digidive sells 2 in-app purchases, starting at $1.99 per month. AWU2UDDF asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for AWU2UDDF against 5.0 for Digidive. That said, the two scores are not equally well evidenced: Digidive has 33 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

AWU2UDDF ships an update every 14 months, Digidive every 2 weeks. The most recent releases landed on September 6, 2026 and June 26, 2026 respectively.

## The numbers

| Metric | AWU2UDDF | Digidive |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/awu2uddf/id1661616210/reviews)** | [5.0 (33 ratings)](https://appshunter.io/ios/app/digidive/id6468929602/reviews) |
| Number of ratings | 2 | **33** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 77 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Douglas Junkins](https://appshunter.io/developer/1661616212) | [Digidive LLC](https://appshunter.io/developer/1710947741) |

## 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


### Digidive

[App page](https://appshunter.io/ios/app/digidive/id6468929602)

Log your underwater adventures with this comprehensive dive tracker. Record dive sites, marine life, and conditions, and plan future explorations with a wish list. Offers a free trial with optional Pro subscriptions for full history and photo uploads.

**Highlights:** Log dive sites, conditions, and marine life, Track dive history, Wish list for dream destinations, Upload dive photos and certifications, Free trial available, Pro subscription for full access

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access - Monthly | $1.99 | per month |
| Full Access - Annual | $9.99 | per year |


## Frequently asked questions

### Is AWU2UDDF free?

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

### Is Digidive free?

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

### Which has better reviews, AWU2UDDF or Digidive?

AWU2UDDF is rated higher. AWU2UDDF averages 5.0 out of 5 from 2 ratings, while Digidive averages 5.0 from 33 ratings.

### Do AWU2UDDF or Digidive have ads?

Neither AWU2UDDF nor Digidive shows ads.

### Which is updated more often, AWU2UDDF or Digidive?

AWU2UDDF ships an update every 14 months, and Digidive every 2 weeks. Most recently, AWU2UDDF was updated on September 6, 2026 and Digidive on June 26, 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.*