# IALA System vs HMS ColRegCards

The clearest difference is price: HMS ColRegCards at Free against IALA System's $0.99. IALA System's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

HMS ColRegCards is free to download; IALA System costs $0.99 up front. HMS ColRegCards sells 2 in-app purchases, starting at $0.99 per month. IALA System asks for nothing beyond the download.

## The numbers

| Metric | IALA System | HMS ColRegCards |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Weekly |
| Monetization | Paid | — |
| Size | 84 MB | 80 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oleksandr Kuzmychov](https://appshunter.io/developer/1623095994) | [Will Downing](https://appshunter.io/developer/1864501052) |

## 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


### HMS ColRegCards

[App page](https://appshunter.io/ios/app/hms-colregcards/id6759050269)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Monthly | $0.99 | per month |
| Ad-Free Annual | $5.99 | per year |


## Frequently asked questions

### Is IALA System free?

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

### Is HMS ColRegCards free?

HMS ColRegCards is free to download, with in-app purchases available.

### Do IALA System or HMS ColRegCards have ads?

HMS ColRegCards shows ads; IALA System does not.

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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.*