# Z dive log vs ダイバーLOG

The clearest difference is review sentiment: Z dive log at 58% against ダイバーLOG's 9%. ダイバーLOG's advantage is update cadence (every 2 months vs every 4 months). On price, ads, in-app purchases and monetization model 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 ships an update every 4 months, ダイバーLOG every 2 months. The most recent releases landed on June 1, 2026 and July 17, 2026 respectively.

## The numbers

| Metric | Z dive log | ダイバーLOG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/z-dive-log/id1202116382/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **58.3% of reviews** | 8.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 40 MB | 39 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SCUBAPRO ASIA LTD.](https://appshunter.io/developer/1202116381) | [日本アクアラング株式会社](https://appshunter.io/developer/1451483866) |

## What reviewers say

### 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


### ダイバーLOG

[App page](https://appshunter.io/ios/app/log/id1451483867)

Easily transfer and view your dive logs from Calm Plus +. Keep a digital record of your underwater adventures and access them anytime.

**Highlights:** Transfer dive logs, View dive logs, Calm Plus + integration, Digital logbook, Sports tracking

**In-app purchases:** none


## Frequently asked questions

### Is Z dive log free?

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

### Is ダイバーLOG free?

ダイバーLOG is free to download, with no in-app purchases.

### Do Z dive log or ダイバーLOG have ads?

Neither Z dive log nor ダイバーLOG shows ads.

### Which is updated more often, Z dive log or ダイバーLOG?

Z dive log ships an update every 4 months, and ダイバーLOG every 2 months. Most recently, Z dive log was updated on June 1, 2026 and ダイバーLOG on July 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.*