---
title: "Marine Rules & Signals — App Overview"
url: https://marlvel.ai/intel-report/navigation/com-imraymobile-rules
category: Navigation
developer: FB Imray Laurie Norie & Wilson GmbH
platforms: ios
rating: 2.9 (7 ratings)
pricing: paid
report_level: overview
generated: 2026-04-28
last_verified: "2026-04-28T10:45:23.789Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** The app serves as a portable, illustrated study aid for maritime navigation, though users note it is intended for quick reference rather than as a comprehensive replacement for official regulatory texts.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Navigation |
| Rating | 2.9 ★ (7) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 3.2 |
| Developer | FB Imray Laurie Norie & Wilson GmbH |

<!-- SECTION: Summary -->
## What is Marine Rules & Signals?

Marine Rules & Signals is a mobile reference guide designed to help sailors and maritime professionals study COLREGS and navigation signals. The app provides illustrated diagrams, actual sound signals, and interactive tools like a flag translator to assist with quick learning and field review.

<!-- SECTION: Key Features -->
## Key Features

- **Rules of the Road**: Provides access to steering and sailing rules, light and shape markings, and full COLREGS text.
- **Sound and Distress Signals**: Includes a library of actual sound signals for restricted visibility and a reference for distress signaling.
- **Buoyage Systems**: Features worldwide buoyage systems A and B with animated harbour approaches and buoy lights.
- **Communication Tools**: Offers a flag translator, phonetic alphabet, morse code reference, and a message builder for dual flag communication.

<!-- SECTION: Target Audience -->
## Who is it for?

Sailors, fishermen, water sports enthusiasts, and maritime students preparing for licensing exams.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/marine-rules-signals/id315649961?uo=2)
- [Full Intelligence Report](https://marlvel.ai/intel-report/navigation/com-imraymobile-rules)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/navigation/com-imraymobile-rules).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*