# IALA System vs MARPOL

The clearest difference is review sentiment: IALA System at 100% against MARPOL's 0%. IALA System also leads on price ($0.99 vs $1.99) and iOS requirement (12.0 vs 17.5). On ads, in-app purchases, monetization model and device support there is nothing between them.

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

## The numbers

| Metric | IALA System | MARPOL |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | Paid | Paid |
| Size | 84 MB | 36 MB |
| Requires iOS | **12.0** | 17.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oleksandr Kuzmychov](https://appshunter.io/developer/1623095994) | [OLEKSANDR IZERGIN](https://appshunter.io/developer/1678396126) |

## 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


### MARPOL

[App page](https://appshunter.io/ios/app/marpol/id6563146975)

This interactive course covers the MARPOL Convention, including all annexes with detailed visuals. Engage with varied tests to master the material and aim for captain-level knowledge.

**Highlights:** Interactive MARPOL Convention course, All MARPOL Annexes included, Detailed images, Varied tests and tasks, Progress tracking to captain level

**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 MARPOL free?

MARPOL costs $1.99, with no in-app purchases.

### Do IALA System or MARPOL have ads?

Neither IALA System nor MARPOL 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.*