Master-Nav is an educational tool designed to help mariners master the COLREGS through a structured, interactive learning system. Developed by a Master Mariner, the app replaces rote memorization with bite-sized content, mnemonics, and visual aids to improve information retention.
Overview · Full Intel report in progress
Product velocity
Intense
Daily rank 🇺🇸
#82
Education · paid
Sentiment
4.5
329 reviews
Nemesis
Navigation Rules
The App DNA
What makes this app unique?
For Professional mariners and students preparing for maritime navigation examinations.
What does it look like?
Key features
Guides users through COLREGS Parts A to D and Annex IV in a logical, sequential order rather than using random question banks.
Utilizes mnemonics and interactive visuals designed to support cognitive retention of complex regulations.
Automatically revisits incorrectly answered questions to ensure mastery of the rules.
Provides one-tap access to the full text of the relevant COLREGS rule from any question screen.
How much does it cost?
Velocity
Intense developmentShow more...
5 versions in history. Development pace: intense.
Who built it?
Peterjohn Chisholm
3 apps tracked · Education
Master-Nav: COLREGS IALA Tests
Master-Nav: IALA MBSUser Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Master-Nav
How's the Education market?
The rivals identified
By Calculated Industries
Both apps target maritime professionals studying COLREGS, but Master-Nav uses an interactive curriculum while Navigation Rules relies on a static reference manual.
- Navigation Rules requires a $3.99 upfront purchase, whereas Master-Nav operates on a free model.
- Master-Nav provides interactive memory aids and adaptive review, while the rival functions as a static database.
- Navigation Rules ensures offline-first access to regulatory text for mariners in remote environments.
The Nautical School ExamTutor+Contender
Neptune: Navigation RulesContender
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Marinus: maritime rulesContender
Maritime Academy: ICS FlagsContender
COLREG 72: safety at seaContender
Nautical License Quiz - NavigoContender
Nautical Ship FlagsContender
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Master-Nav
Where is it heading?
Bottom line
Master-Nav simplifies the complex study of maritime navigation rules by applying cognitive learning techniques to the official COLREGS curriculum.
Report last updated