---
title: "Master-Nav: COLREGS IALA Tests - Reviews, Revenue and Downloads in France | Apple App Store"
description: "Master-Nav: COLREGS IALA Tests is a free practice app developed by a Master Mariner with 30 years of seagoing experience.  Test your knowledge of the COLREGS and IALA Maritime Buoyage System — the reg"
---

# Master-Nav: COLREGS IALA Tests — France

![Master-Nav App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/30/38/78/3038789f-79ee-dc7a-ce03-79de486cafec/AppIcon-0-0-1x_U007ephone-0-1-0-sRGB-85-220.png/434x0w.png)

**Developer:** [Peterjohn Chisholm](https://apptail.io/developer/peterjohn-chisholm-xgab)
**Category:** Education
**Rating:** 5.0/5 (2 ratings)
**Price:** Free
**Bundle ID:** eu.pjcc.navmaster.colregsiala.tests
**Store:** Apple App Store
**Country:** France
**Version:** 1.5 (released 2026-06-15)
**Original Release:** 2026-03-20
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/fr/app/app/id6758554000)
**AppTail Page:** [https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/france](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/france)

## Master-Nav Description
Master-Nav: COLREGS IALA Tests is a free practice app developed by a Master Mariner with 30 years of seagoing experience.

Test your knowledge of the COLREGS and IALA Maritime Buoyage System — the regulations every mariner needs to know.

A straightforward way to find out where you stand, identify gaps in your knowledge and track your progress over time.

Master COLREGS & IALA — the easy way.

## Master-Nav Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/96/98/4b/96984bc6-c15a-b14c-13dd-9767400e4a95/01_uk.png/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/8c/f0/cc/8cf0cc3b-c21c-bd6a-288d-60aa0d2a49ea/2300Q.png/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/41/7c/23/417c239f-47c9-f870-ad74-d80da76b3605/05.png/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/e3/ac/37/e3ac3719-e080-cc85-740d-8dc0aa237fde/03.png/1284x2778.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/5f/f6/bc/5ff6bc5c-dc01-10b7-43d2-a96473c89054/07.png/1284x2778.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e5/b0/7e/e5b07e71-b413-80fe-b275-dc882b191d09/04.png/1284x2778.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/ed/af/52/edaf5241-1cde-d1b9-5167-7ea0847a2a8d/06.png/1284x2778.png)

## Master-Nav Rating Breakdown in France
- 5 stars: 2 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)






## Master-Nav Available In
- [United Kingdom](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/united-kingdom)
- [France](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/france)
- [Canada](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/canada)
- [United States](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/united-states)
- [Brazil](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/brazil)
- [Ukraine](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/ukraine)
- [Ireland](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/ireland)
- [Bahrain](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/bahrain)
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- [Switzerland](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/switzerland)
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- [Pakistan](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/pakistan)
- [Poland](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/poland)
- [Qatar](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/qatar)
- [Romania](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/romania)
- [Saudi Arabia](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/saudi-arabia)
- [Sweden](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/sweden)
- [Singapore](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/singapore)
- [Slovenia](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/slovenia)
- [Slovakia](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/slovakia)
- [Thailand](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/thailand)
- [Tunisia](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/tunisia)
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- [Uzbekistan](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/uzbekistan)
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- [South Africa](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/south-africa)
- [Armenia](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/armenia)
- [Argentina](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/argentina)
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- [Belgium](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/belgium)
- [Bulgaria](https://apptail.io/app/master-nav-colregs-iala-tests-nAdz/bulgaria)

---

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