# Dive Log Book vs nDeco

The clearest difference is rating: nDeco at 2.0 against Dive Log Book's 1.3. Dive Log Book's advantage is review sentiment (19% vs 0%) and ratings volume (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

nDeco holds the better App Store score, 2.0 against 1.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews complicate that: 19% of Dive Log Book's written reviews are positive against 0% of nDeco's, so the app with the better star average is not the one people write more warmly about.

Dive Log Book ships an update every 5 months, nDeco every 7 months. The most recent releases landed on October 21, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Dive Log Book | nDeco |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (3 ratings)](https://appshunter.io/ios/app/dive-log-book/id304095527/reviews) | **[2.0 (1 ratings)](https://appshunter.io/ios/app/ndeco/id6741527911/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | **18.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 28 MB | 73 MB |
| Requires iOS | **8.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Massimiliano Petrucci](https://appshunter.io/developer/304095530) | [Eyal Vardi](https://appshunter.io/developer/988684101) |

## What reviewers say

### Dive Log Book

[App page](https://appshunter.io/ios/app/dive-log-book/id304095527)

Easily import and manage your dive profiles from compatible dive computers or manually log your dives. Access global dive weather conditions and a photo library of marine life for an enhanced diving experience.

**Highlights:** Import dive profiles from SmartTRAK/DataTRAK, Transfer data from SCUBAPRO UWATEC computers, Manual dive logging, Photo library of marine life, Global dive weather conditions, Educational tool for divers

**Features:** macOS Compatibility

**In-app purchases:** none


### nDeco

[App page](https://appshunter.io/ios/app/ndeco/id6741527911)

Plan multi-segment dives with ease using U.S. Navy and Bühlmann decompression models. Get instant dive information, depth limit guidance, and surface interval recommendations for safe underwater adventures.

**Highlights:** Multi-segment dive planning, U.S. Navy & Bühlmann decompression models, Depth limit guidance, Instant dive information, Surface interval recommendations, Metric/imperial unit flexibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dive Log Book free?

Dive Log Book is free to download, with no in-app purchases.

### Is nDeco free?

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

### Which has better reviews, Dive Log Book or nDeco?

nDeco is rated higher. Dive Log Book averages 1.3 out of 5 from 3 ratings, while nDeco averages 2.0 from 1 ratings.

### Do Dive Log Book or nDeco have ads?

Neither Dive Log Book nor nDeco shows ads.

### Which is updated more often, Dive Log Book or nDeco?

Dive Log Book ships an update every 5 months, and nDeco every 7 months. Most recently, Dive Log Book was updated on October 21, 2026 and nDeco on September 27, 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.*