Best Hms Colregcards Apps

249+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated August 2026

Every iPhone needs a few good hms colregcards apps. We benchmark 249+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Hms Colregcards Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1HMS ColRegCardsHMS ColRegCardsFreeYesYesJun 2026
2Nautical RulesNautical RulesFree5.0★ (4)NoNoJul 2026
3Neptune: Navigation RulesNeptune: Navigation RulesFree was $4.995.0★ (13)NoNoJul 2026
4Nav Rules: COLREGS QuizNav Rules: COLREGS QuizFreeYesNoAug 2026
5Maritrack Marine Traffic: DataMaritrack Marine Traffic: DataFree5.0★ (13)NoYesSep 2026
6COLREGS: Rules of the RoadCOLREGS: Rules of the Road$4.99NoNoAug 2026
7ColRegs:Rules of the Road 3D LITEColRegs:Rules of the Road 3D LITEFree5.0★ (1)NoNoSep 2026
8CBDRCBDRFree5.0★ (2)NoNoAug 2026

Top Picks for Hms Colregcards

Nautical Rules#2

Nautical Rules by Joseph Kim

Master the Rules of the Road
Strong Contender
🗺️ Navigation
5.0(4 ratings)
Free
Nautical Rules screenshot 1
Nautical Rules screenshot 2
Nautical Rules screenshot 3
Nautical Rules screenshot 4
Nautical Rules screenshot 5

Master USCG Navigation Rules with a comprehensive question bank and smart study features. Track your progress, practice for exams, and study offline to navigate with confidence.

Neptune: Navigation Rules#3

Neptune: Navigation Rules by Brice Brown

USCG Exam & COLREGS Prep
Worth Considering
📚 Education
5.0(13 ratings)
Free
Neptune: Navigation Rules screenshot 1
Neptune: Navigation Rules screenshot 2
Neptune: Navigation Rules screenshot 3
Neptune: Navigation Rules screenshot 4
Neptune: Navigation Rules screenshot 5
Neptune: Navigation Rules screenshot 6

Prepare for USCG COLREG and OOD exams with a comprehensive study system. Features AI tutoring, interactive 3D visuals for lights and shapes, and a complete question bank with intelligent test modes and progress tracking.

More Hms Colregcards apps to explore

4
Nav Rules: COLREGS Quiz
Nav Rules: COLREGS Quiz
Nav Rules: COLREGS Quiz
Boat Lights & Give-Way Trainer
Free
🗺️ Navigation
(0)
5
Maritrack Marine Traffic: Data
Maritrack Marine Traffic: Data
Maritrack Marine Traffic: Data
Monitor Ship Routes Globally
Free

Monitor ship routes globally with real-time AIS tracking, detailed vessel information, and integrated weather forecasts. Understand port traffic and plan passages with live data on maritime activity.

Real-time vessel mapLive AIS trackingDetailed ship profiles
🗺️ Navigation
(13)
free
6
COLREGS: Rules of the Road
COLREGS: Rules of the Road
COLREGS: Rules of the Road
Master Navigation Rules Fast
$4.99
📚 Education
(0)
7
ColRegs:Rules of the Road 3D LITE
ColRegs:Rules of the Road 3D LITE
ColRegs:Rules of the Road 3D LITE
by Advenio Software
Free

Learn and practice sailing navigation rules with interactive 3D simulations. This app offers a didactic and fun approach to mastering collision avoidance and safe navigation on the water.

3D simulation for immersive learningLearning, testing, and simulation modesCollision avoidance practice
🗺️ Navigation
(1)
free
8
CBDR
CBDR
CBDR
Radar & Rules of the Road
Free

This app trains junior deck officers and watchstanders in essential radar watch skills, including contact evaluation, COLREGS classification, and generating contact reports. It features a live radar scope, generated scenarios for various navigation situations, and drills for recognition and maneuvering.

Live radar scope with vectors and trailsGenerated navigation scenariosCOLREGS classification
📚 Education
(2)
free
9
The Navigator
The Navigator
The Navigator
by The Nautical Institute
Free

This free publication offers insights and professional development for marine navigators. It features articles on crucial topics like radar, ECDIS, and passage planning, with access to past editions.

Professional marine navigation insightsFree publicationArticles on radar and ECDIS
🗺️ Navigation
(2)
free
10
NavRules
NavRules
NavRules
by Mintaka Innovations
$15.99

Master nautical navigation rules with practice exams and a comprehensive rule book. Focus your learning by customizing tests based on question type, rule, and filter. Track your progress and review answers with detailed explanations.

Customizable practice examsInternational and US Inland rulesQuestion filtering by text or rule
🗺️ Navigation
(18)
paid
11
SeaVectors: Marine Navigation
SeaVectors: Marine Navigation
SeaVectors: Marine Navigation
NOAA ENC Charts, Winds & Tides
Free

This app provides professional marine navigation with official ENC charts and real-time weather data. It offers advanced instrument displays, alerts for restricted areas and fishing closures, and route planning capabilities for safe and informed voyages.

ECDIS-grade ENC chartsReal-time marine conditionsCustomizable instrument panel
🗺️ Navigation
(0)
free with in-app purchases
12
Simple Colregs
Simple Colregs
Simple Colregs
Rules of the Road
Free
📚 Education
(0)
13
Maritime Master - Skipper
Maritime Master - Skipper
Maritime Master - Skipper
A Skipper's Best Friend
Free

Learn seamanship and small-craft navigation with interactive diagrams and calculators. Practice plotting positions, understanding tides, and mastering navigation techniques. Includes a reference library for essential maritime knowledge.

Interactive diagrams and calculatorsDead reckoning and estimated position plottingTidal height and stream visualization
📚 Education
(2)
free
14
SeaSmart: Rules of the Road
SeaSmart: Rules of the Road
SeaSmart: Rules of the Road
COLREGS & Navigation Exam Prep
Free

Master maritime navigation rules with exam-style drills and custom quizzes. This app provides a comprehensive reference to COLREGS, helping users confidently recall regulations for exams and safe boating. Track progress and focus on weak areas for effective learning.

Exam-style drillsCustomizable quizzesAdaptive practice
📚 Education
(5)
free
15
Signal Deck: ICS Flag Trainer
Signal Deck: ICS Flag Trainer
Signal Deck: ICS Flag Trainer
Learn NATO's signal alphabet
Free
📚 Education
(0)
16
Sailing Term
Sailing Term
Sailing Term
Learn Sailing Terms!
Free

Master sailing terminology with this educational app. It offers a dictionary section for learning terms and a quiz section to test and expand your knowledge of sailing vocabulary.

Sailing term dictionaryRepeat learning sectionsSolve learning questions
📚 Education
(82)
free
17
MarineCards
MarineCards
MarineCards
by Evgeny Romanov
Free

Learn navigation rules with interactive flashcards. Covers IRPCS, navigation marks, and lights. Additional card packs are available for purchase to expand your knowledge.

IRPCS flashcardsNavigation marks and lightsIALA A buoyage
📚 Education
(3)
free with in-app purchases
18
NautiNote
NautiNote
NautiNote
Engineering & Deck Study
Free
📚 Education
(0)
19
Nautical Calculator Preview
Nautical Calculator Preview
Nautical Calculator Preview
Nautical Calculator Preview
Free

This app provides comprehensive tools for marine navigation, including real-time ship movement, route planning, and advanced sailing calculations. It also offers features for collision avoidance, maneuvering, and learning maritime regulations and signaling.

Real-time ship movementRoute planningMercator and Great Circle sailing
🗺️ Navigation
(1)
ad-supported
20
Master-Nav: COLREGS IALA Tests
Master-Nav: COLREGS IALA Tests
Master-Nav: COLREGS IALA Tests
Practice Maritime Rules Daily
Free

Practice maritime navigation rules and buoyage systems with this app. It helps you identify knowledge gaps and track your progress in mastering essential regulations for mariners.

USCG Navigation Rules practiceIALA Maritime Buoyage System testsKnowledge gap identification
📚 Education
(0)
free

FAQ about Hms Colregcards

Are there free hms colregcards apps for iPhone?
Yes — 18 of the top hms colregcards apps we rank are free to download, including HMS ColRegCards and Nautical Rules.
HMS ColRegCards shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ hms colregcards apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.