# Navigation Rules Pro vs MyCG

The clearest difference is review sentiment: Navigation Rules Pro at 85% against MyCG's 5%. Navigation Rules Pro also leads on rating (4.8 vs 1.2) and update cadence (every 3 months vs every 16 months). MyCG's advantage is price (Free vs $4.99). On ratings volume, ads, in-app purchases and device support there is nothing between them.

MyCG is free to download; Navigation Rules Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Navigation Rules Pro holds the better App Store score, 4.8 against 1.2. Both are backed by a comparable volume of ratings — 442 and 446 respectively. Written reviews point the same way: 85% of Navigation Rules Pro's written reviews are positive against 5% of MyCG's.

Navigation Rules Pro ships an update every 3 months, MyCG every 16 months. The most recent releases landed on September 24, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | Navigation Rules Pro | MyCG |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.8 (442 ratings)](https://appshunter.io/ios/app/navigation-rules-pro/id494309072/reviews)** | [1.2 (446 ratings)](https://appshunter.io/ios/app/mycg/id1548947894/reviews) |
| Number of ratings | 442 | **446** |
| Positive reviews | **85.0% of reviews** | 5.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 16 months |
| Monetization | Paid | **Free** |
| Best chart rank | **#41** | — |
| Size | 37 MB | 160 MB |
| Requires iOS | **9.3** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [U.S. Coast Guard](https://appshunter.io/developer/1435197546) |

## What reviewers say

### Navigation Rules Pro

[App page](https://appshunter.io/ios/app/navigation-rules-pro/id494309072)

**Currently charting:** #41 Top Paid · Reference (US App Store)

This app provides comprehensive boating regulations and reference materials, including international and inland navigation rules, sound and light signals, and communication information. It features quick references, calculators, and unit conversions for boaters.

**Highlights:** International and Inland Navigation Rules, Sound and Light Signals Quick Reference, Aids to Navigation (AtoN), Communication Information (DSC, Morse Code, etc.), Boating Calculators, Unit Conversions, Search and Favorites functionality

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

**In-app purchases:** none


### MyCG

[App page](https://appshunter.io/ios/app/mycg/id1548947894)

Stay informed about the United States Coast Guard with instant updates, the latest news, and an easy-to-use directory. Access information about upcoming events and more, all in one place.

**Highlights:** Instant notifications, Latest USCG news, Contact directory, Event updates

**In-app purchases:** none

**What reviewers like**

- ⭐ Great app
- 🎧 Useful for listening to podcasts

**What reviewers complain about**

- 🗓️ Outdated information
- 🔗 Broken links
- 🤔 Misleading feedback articles
- 🚫 Removed features (beard poll)
- 💤 Lack of updates and relevance

**Reported bugs**

- Inaccurate unit information
- Glitchy and non-functional

**Requested features**

- Bring back beards poll
- Add rum rations
- Improve communication and transparency


## Frequently asked questions

### Is Navigation Rules Pro free?

Navigation Rules Pro costs $4.99, with no in-app purchases.

### Is MyCG free?

MyCG is free to download, with no in-app purchases.

### Which has better reviews, Navigation Rules Pro or MyCG?

Navigation Rules Pro is rated higher. Navigation Rules Pro averages 4.8 out of 5 from 442 ratings, while MyCG averages 1.2 from 446 ratings.

### Do Navigation Rules Pro or MyCG have ads?

Neither Navigation Rules Pro nor MyCG shows ads.

### Which is updated more often, Navigation Rules Pro or MyCG?

Navigation Rules Pro ships an update every 3 months, and MyCG every 16 months. Most recently, Navigation Rules Pro was updated on September 24, 2026 and MyCG on July 5, 2026.

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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.*