# Ship Structure vs Maritime Academy

The clearest difference is rating: Maritime Academy at 4.9 against Ship Structure's 3.7. Maritime Academy also leads on ratings volume (189 vs 3). Ship Structure's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Maritime Academy sells 1 one-off in-app purchase. Ship Structure asks for nothing beyond the download.

Maritime Academy holds the better App Store score, 4.9 against 3.7. That said, the two scores are not equally well evidenced: Maritime Academy has 189 ratings behind it against 3, so its average is the more settled of the two.

## The numbers

| Metric | Ship Structure | Maritime Academy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/ship-structure/id1472612603/reviews) | **[4.9 (189 ratings)](https://appshunter.io/ios/app/maritime-academy-ics-flags/id1590113271/reviews)** |
| Number of ratings | 3 | **189** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 42 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 97 MB | 26 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Huntington Ingalls](https://appshunter.io/developer/1014470325) | [Xiang Dong](https://appshunter.io/developer/1511041685) |

## What reviewers say

### 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


### Maritime Academy

[App page](https://appshunter.io/ios/app/maritime-academy-ics-flags/id1590113271)

Learn maritime signal flags and the International Code of Signals through engaging levels and challenges. This app offers a structured approach to mastering flag meanings, abbreviations, and communication methods used at sea. It's designed for efficient memorization and progress, suitable for various maritime enthusiasts.

**Highlights:** 104 levels and 35 challenges, Covers Letters, Numbers, Words, Substitutes, Single Flag Meanings, Abbreviations, Progressive learning and focused repetition, Explore screen for self-paced learning, Works completely offline, No ads

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $2.99 | one-time |


## Frequently asked questions

### Is Ship Structure free?

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

### Is Maritime Academy free?

Maritime Academy is free to download, with in-app purchases available.

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

Maritime Academy is rated higher. Ship Structure averages 3.7 out of 5 from 3 ratings, while Maritime Academy averages 4.9 from 189 ratings.

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

Neither Ship Structure nor Maritime Academy 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.*