# IALA System vs Master

The clearest difference is iOS requirement: IALA System at 12.0 against Master's 17.6. On price, review sentiment, ads and in-app purchases there is nothing between them.

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

## The numbers

| Metric | IALA System | Master |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/master-nav-iala-mbs/id6757947717/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Monetization | Paid | Paid |
| Size | 84 MB | 219 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Oleksandr Kuzmychov](https://appshunter.io/developer/1623095994) | [Peterjohn Chisholm](https://appshunter.io/developer/1602390398) |

## What reviewers say

### 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


### Master

[App page](https://appshunter.io/ios/app/master-nav-iala-mbs/id6757947717)

This app simplifies learning the IALA Maritime Buoyage System through interactive visuals and exam-style practice. It helps users quickly identify and explain maritime marks, building a comprehensive understanding for maritime qualifications.

**Highlights:** Interactive visuals, Memory aids, Exam-ready answer phrases, Step-by-step learning, Exam-style practice, Recognition training, Chart symbol teaching

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

**In-app purchases:** none


## Frequently asked questions

### Is IALA System free?

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

### Is Master free?

Master costs $0.99, with no in-app purchases.

### Do IALA System or Master have ads?

Neither IALA System nor Master 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.*