# Diving logbook vs BLUU divelog

The clearest difference is in-app purchases: BLUU divelog at none against Diving logbook's 3. BLUU divelog also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Diving logbook sells 3 in-app purchases, starting at $1.99 per month. BLUU divelog asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 25, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Diving logbook | BLUU divelog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (96 ratings)](https://appshunter.io/ios/app/diving-logbook-dive-number/id949480835/reviews)** | — |
| Number of ratings | **96** | — |
| Positive reviews | 76.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 71 MB | 6 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Denys Dykusha](https://appshunter.io/developer/930478942) | [Olaf Meincke](https://appshunter.io/developer/1461708191) |

## What reviewers say

### Diving logbook

[App page](https://appshunter.io/ios/app/diving-logbook-dive-number/id949480835)

Easily record your scuba dives with an unlimited logbook. Track dive sites, conditions, equipment, and personal notes. Connect with dive partners and view comprehensive statistics.

**Highlights:** Unlimited dive entries, Extensive dive site database, Detailed dive condition logging, Equipment and gas tracking, Dive partner confirmation, Comprehensive dive statistics, User-added dive sites

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| support DiveNumber every month | $1.99 | per month |
| support DiveNumber every year | $1.99 | per year |
| support Dive Number one time | $4.99 | one-time |


### BLUU divelog

[App page](https://appshunter.io/ios/app/bluu-divelog/id1461708192)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Diving logbook free?

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

### Is BLUU divelog free?

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

### Do Diving logbook or BLUU divelog have ads?

Neither Diving logbook nor BLUU divelog shows ads.

### Which is updated more often, Diving logbook or BLUU divelog?

Diving logbook ships an update every 2 months, and BLUU divelog every 2 months. Most recently, Diving logbook was updated on September 25, 2026 and BLUU divelog on September 10, 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.*