# IALA Navigation Marks vs IALA System

The clearest difference is review sentiment: IALA System at 100% against IALA Navigation Marks's 50%. IALA System also leads on price ($0.99 vs $1.99) and iOS requirement (12.0 vs 15.6). IALA Navigation Marks's advantage is device support (4 vs 2). On ads, in-app purchases and monetization model there is nothing between them.

IALA Navigation Marks costs $1.99 and IALA System $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | IALA Navigation Marks | IALA System |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | — |
| Monetization | Paid | Paid |
| Size | 28 MB | 84 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smirnov Yury](https://appshunter.io/developer/420438416) | [Oleksandr Kuzmychov](https://appshunter.io/developer/1623095994) |

## What reviewers say

### IALA Navigation Marks

[App page](https://appshunter.io/ios/app/iala-navigation-marks/id1224059816)

A quick reference guide for sailors and students to identify maritime navigation marks according to the IALA system. It covers buoy shapes, colors, topmarks, and light rhythms for various mark types, aiding in exam preparation and on-water identification.

**Highlights:** Identify lateral, cardinal, and special marks, Covers buoy shape, color, topmark, and light rhythm, Includes day and night views, Practical study aid for seamanship training, Quick lookup on iPhone and iPad

**In-app purchases:** none


### IALA System

[App page](https://appshunter.io/ios/app/iala-system/id6472812615)

Learn maritime navigation with detailed illustrations and explanations of the IALA System. Features an interactive quiz to test your knowledge and track progress. Ideal for both beginners and experienced mariners seeking to deepen their understanding.

**Highlights:** Detailed IALA System explanations, Vivid illustrations, User-friendly interface, Interactive True/False quiz, Progress tracking, Suitable for all experience levels

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

**In-app purchases:** none


## Frequently asked questions

### Is IALA Navigation Marks free?

IALA Navigation Marks costs $1.99, with no in-app purchases.

### Is IALA System free?

IALA System costs $0.99, with no in-app purchases.

### Do IALA Navigation Marks or IALA System have ads?

Neither IALA Navigation Marks nor IALA System 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.*