# Diving logbook vs Deepblu

The clearest difference is review sentiment: Diving logbook at 76% against Deepblu's 29%. Diving logbook also leads on rating (4.2 vs 2.9). Deepblu's advantage is in-app purchases (none vs 3) and iOS requirement (15.0 vs 17.6). On price, ratings volume, update cadence and ads there is nothing between them.

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

Diving logbook holds the better App Store score, 4.2 against 2.9. Both are backed by a comparable volume of ratings — 96 and 39 respectively. Written reviews point the same way: 76% of Diving logbook's written reviews are positive against 29% of Deepblu's.

Diving logbook ships an update every 2 months, Deepblu monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Diving logbook | Deepblu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (96 ratings)](https://appshunter.io/ios/app/diving-logbook-dive-number/id949480835/reviews)** | [2.9 (39 ratings)](https://appshunter.io/ios/app/deepblu-scuba-dive-log/id1093357370/reviews) |
| Number of ratings | **96** | 39 |
| Positive reviews | **76.1% of reviews** | 29.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 71 MB | 90 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Denys Dykusha](https://appshunter.io/developer/930478942) | [Blaris ApS](https://appshunter.io/developer/1870014114) |

## 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 |


### Deepblu

[App page](https://appshunter.io/ios/app/deepblu-scuba-dive-log/id1093357370)

Log your underwater adventures, enrich them with media, and connect with a global diving community. Automatically sync dive data from compatible computers and discover popular dive destinations worldwide. Build your diver profile and get your logs certified by instructors.

**Highlights:** Automatic dive log synchronization, Add photos and videos to logs, Discover and plan dive destinations, Build diver identity and profile, Instructor certification of logs, Compatible with many dive computers

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

**In-app purchases:** none


## Frequently asked questions

### Is Diving logbook free?

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

### Is Deepblu free?

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

### Which has better reviews, Diving logbook or Deepblu?

Diving logbook is rated higher. Diving logbook averages 4.2 out of 5 from 96 ratings, while Deepblu averages 2.9 from 39 ratings.

### Do Diving logbook or Deepblu have ads?

Neither Diving logbook nor Deepblu shows ads.

### Which is updated more often, Diving logbook or Deepblu?

Diving logbook ships an update every 2 months, and Deepblu monthly. Most recently, Diving logbook was updated on October 24, 2026 and Deepblu 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.*