Navigation Rules Pro vs MyCG
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Navigation Rules Pro
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.
- 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
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Navigation Rules Pro has everything in our popular Navigation Rules app plus over 100 pages of additional important reference material. Navigation Rules Pro contains a complete copy of the International Regulations for Preventing Collisions at Sea, 1972 (COLREGS), including amendments and the Inland Navigation Rules, in effect for all inland waters, including the Great Lakes plus the following information a boater needs: * Sound and Light Signals Quick Reference * Steering and Sailing Rules Quick Reference * Aids to Navigation (AtoN) * Bridge Lighting Quick Reference * Lock Procedures * U.S. Federal Requirements for Recreational Boats * Communication information - DSC, Rescue 21, International Code Signals, semaphore flags, distress signals, phonetic alphabet, prowords, international morse code. * Weather and Oceanography * Law Enforcement * Boating Calculators * Unit Conversions Navigation Rules Pro includes the COLREGs most recent version dated - June 28th, 2019. This app includes an annotated table of contents and a search function to help the reader quickly find the rule and related references. A Favorites page allows quick access to commonly referenced pages. Use the email function to share a page with others. If you are a boater you need to know this information.
MyCG
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.
- Instant notifications
- Latest USCG news
- Contact directory
- Event updates
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The United States Coast Guard (USCG) is the maritime security, search and rescue, and law enforcement service branch of the United States Armed Forces and one of the country's eight uniformed services. The Coast Guard is a maritime, military, multi-mission service unique among the U.S. military branches for having a maritime law enforcement[7] mission with jurisdiction in both domestic and international waters and a federal regulatory agency mission as part of its duties. With the MyCG App, staying involved and up to date with the USCG is easier and more enjoyable than ever before. Everything you want to know about the U.S. Coast Guard is at your fingertips! Some of the features include: *NOTIFICATIONS - Receive instant updates *NEWS - Get the latest USCG News *DIRECTORY - Easily find the contacts you need *EVENTS - Stay up to date with the latest events And more!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Navigation Rules Pro | MyCG |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.8 (442 ratings) — better | 1.2 (446 ratings) |
| Positive reviews | 85.0% of reviews — better | 5.0% of reviews |
| Number of ratings | 442 | 446 — better |
| Update frequency | Every 3 months — better | Every 16 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #28 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.3 — better | 16.2 |
| Further details — not scored | ||
| Size | 37 MB | 160 MB |
| Age rating | 4+ | 9+ |
| Developer | Calculated Industries | U.S. Coast Guard |
Customer experience
Navigation Rules Pro
MyCG
Bugs and requests
Navigation Rules Pro
Not enough reviews yet to summarise bugs or requests.
MyCG
Reported bugs
2 issues- Inaccurate unit information
- Glitchy and non-functional
Requested features
3 requests- Bring back beards poll
- Add rum rations
- Improve communication and transparency
In-app purchases
Navigation Rules Pro
No in-app purchases
MyCG
No in-app purchases
Questions
Is Navigation Rules Pro free?
Is MyCG free?
Which has better reviews, Navigation Rules Pro or MyCG?
Do Navigation Rules Pro or MyCG have ads?
Which is updated more often, Navigation Rules Pro or MyCG?
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