# Dive Log vs IDDA

The clearest difference is review sentiment: Dive Log at 84% against IDDA's 0%. IDDA's advantage is price (Free vs $14.99) and in-app purchases (none vs 13). On update cadence, ads, device support and iOS requirement there is nothing between them.

IDDA is free to download; Dive Log costs $14.99 up front. Dive Log sells 11 one-off in-app purchases. IDDA asks for nothing beyond the download.

Dive Log ships an update monthly, IDDA every 2 weeks. The most recent releases landed on September 26, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Dive Log | IDDA |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[4.7 (106 ratings)](https://appshunter.io/ios/app/dive-log/id301049600/reviews)** | — |
| Number of ratings | **106** | — |
| Positive reviews | **83.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 33 MB | 37 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Greg Mclaughlin](https://appshunter.io/developer/284919983) | [IDDA GmbH](https://appshunter.io/developer/1663006167) |

## What reviewers say

### Dive Log

[App page](https://appshunter.io/ios/app/dive-log/id301049600)

Log your SCUBA dives with detailed information, including GPS coordinates and dive buddy details. Supports metric and imperial units, and integrates with desktop software for comprehensive dive history management.

**Highlights:** SCUBA diving logbook, GPS coordinate capture, Dive buddy integration, Dive data and statistics, Metric and Imperial units, Dive computer data import, Bluetooth LE transfer

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Suunto Bluetooth Download | $2.99 | one-time |
| Mares Bluetooth Download | $2.99 | one-time |
| Crest Bluetooth Download | $2.99 | one-time |
| Shearwater Download | $2.99 | one-time |
| bluebuddy Download | $2.99 | one-time |
| SCUBAPRO Download | $2.99 | one-time |
| Pelagic Bluetooth Download | $2.99 | one-time |
| Cressi Bluetooth Download | $2.99 | one-time |
| Ratio Bluetooth Download | $2.99 | one-time |
| Halcyon Bluetooth Download | $2.99 | one-time |
| DCbuddy Support | $4.99 | one-time |


### IDDA

[App page](https://appshunter.io/ios/app/idda/id1663006165)

This platform offers e-learning content and certifications to enhance diving knowledge and prepare for exams. It's designed to make learning and exam preparation more accessible for divers. Future updates promise even more features to support your diving journey.

**Highlights:** E-learning content, Brevet platform, Diving knowledge enhancement, Exam preparation, Accessible learning

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Dive Log free?

Dive Log costs $14.99, and also offers in-app purchases.

### Is IDDA free?

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

### Do Dive Log or IDDA have ads?

Neither Dive Log nor IDDA shows ads.

### Which is updated more often, Dive Log or IDDA?

Dive Log ships an update monthly, and IDDA every 2 weeks. Most recently, Dive Log was updated on September 26, 2026 and IDDA on September 17, 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.*