# Seabook Maritime vs Ship Structure

The clearest difference is rating: Seabook Maritime at 4.5 against Ship Structure's 3.7. Seabook Maritime also leads on ratings volume (19 vs 3). Ship Structure's advantage is iOS requirement (11.0 vs 13.0). 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.

Seabook Maritime holds the better App Store score, 4.5 against 3.7. That said, the two scores are not equally well evidenced: Seabook Maritime has 19 ratings behind it against 3, so its average is the more settled of the two.

## The numbers

| Metric | Seabook Maritime | Ship Structure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (19 ratings)](https://appshunter.io/ios/app/seabook-maritime/id708215141/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/ship-structure/id1472612603/reviews) |
| Number of ratings | **19** | 3 |
| Positive reviews | 79.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | — |
| Monetization | Free | Free |
| Size | 36 MB | 97 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ozgur GUNES](https://appshunter.io/developer/708215144) | [Huntington Ingalls](https://appshunter.io/developer/1014470325) |

## What reviewers say

### Seabook Maritime

[App page](https://appshunter.io/ios/app/seabook-maritime/id708215141)

This app provides essential maritime information for seafarers and shore-based professionals. It serves as an offline reference for ship stability, navigation, regulations, and marine engineering, aiding in safer seas and cleaner waters.

**Highlights:** COLREG regulations, GMDSS information, Marine engineering details, Navigation at sea, Ship stability calculations, Shipboard safety guidelines

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

**In-app purchases:** none


### Ship Structure

[App page](https://appshunter.io/ios/app/ship-structure/id1472612603)

Explore a detailed 3D ship model to learn maritime terminology. Features guided tours, free exploration, and scavenger hunts to test your knowledge. Ideal for anyone interested in naval architecture and ship construction.

**Highlights:** Interactive 3D ship model, Guided tours of ship components, Free exploration mode, Scavenger hunt challenges, Industry-standard definitions, ARKit integration, Intuitive touch interactions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Seabook Maritime free?

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

### Is Ship Structure free?

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

### Which has better reviews, Seabook Maritime or Ship Structure?

Seabook Maritime is rated higher. Seabook Maritime averages 4.5 out of 5 from 19 ratings, while Ship Structure averages 3.7 from 3 ratings.

### Do Seabook Maritime or Ship Structure have ads?

Neither Seabook Maritime nor Ship Structure shows ads.

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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.*