# Dive Log Book vs Z dive log

The clearest difference is rating: Z dive log at 5.0 against Dive Log Book's 1.3. Z dive log also leads on review sentiment (58% vs 19%). Dive Log Book's advantage is device support (3 vs 1) 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.

Z dive log holds the better App Store score, 5.0 against 1.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 19% of Dive Log Book's written reviews are positive against 58% of Z dive log's.

Dive Log Book ships an update every 5 months, Z dive log every 4 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Dive Log Book | Z dive log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (3 ratings)](https://appshunter.io/ios/app/dive-log-book/id304095527/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/z-dive-log/id1202116382/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 18.5% of reviews | **58.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 28 MB | 40 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Massimiliano Petrucci](https://appshunter.io/developer/304095530) | [SCUBAPRO ASIA LTD.](https://appshunter.io/developer/1202116381) |

## 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


### Z dive log

[App page](https://appshunter.io/ios/app/z-dive-log/id1202116382)

Easily manage your SCUBAPRO Z1 dive computer logs and settings. Download dive data via Bluetooth, add details like location and photos, and configure your dive computer's preferences.

**Highlights:** Download dive logs via Bluetooth, Enter and edit dive log details, Add photos to dive logs, View dive statistics at a glance, Configure Z1 dive computer settings, Save and share depth graph images

**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 Z dive log free?

Z dive log is free to download, with no in-app purchases.

### Which has better reviews, Dive Log Book or Z dive log?

Z dive log is rated higher. Dive Log Book averages 1.3 out of 5 from 3 ratings, while Z dive log averages 5.0 from 1 ratings.

### Do Dive Log Book or Z dive log have ads?

Neither Dive Log Book nor Z dive log shows ads.

### Which is updated more often, Dive Log Book or Z dive log?

Dive Log Book ships an update every 5 months, and Z dive log every 4 months. Most recently, Dive Log Book was updated on October 21, 2026 and Z dive log on October 24, 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.*