# Diving logbook vs Global Combat Network

The clearest difference is in-app purchases: Global Combat Network at none against Diving logbook's 3. Global Combat Network also leads on update cadence (every 10 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Diving logbook ships an update every 2 months, Global Combat Network every 10 days. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Diving logbook | Global Combat Network |
| --- | --- | --- |
| 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 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 71 MB | 5 MB |
| Requires iOS | **17.6** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Denys Dykusha](https://appshunter.io/developer/930478942) | [Global Combat Network B.V.](https://appshunter.io/developer/6791083637) |

## 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 |


### Global Combat Network

[App page](https://appshunter.io/ios/app/global-combat-network/id6795543587)

**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 Global Combat Network free?

Global Combat Network is free to download, with no in-app purchases.

### Do Diving logbook or Global Combat Network have ads?

Neither Diving logbook nor Global Combat Network shows ads.

### Which is updated more often, Diving logbook or Global Combat Network?

Diving logbook ships an update every 2 months, and Global Combat Network every 10 days. Most recently, Diving logbook was updated on October 8, 2026 and Global Combat Network on October 4, 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.*