Best Colreg Apps & Games

104+ iOS apps & games curated and reviewed

4.6 avg rating
15 free apps & games
Updated June 2026

If you already know Seabook Maritime, this is the deeper bench. 104+ colreg apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for Colreg

Seabook Maritime#1

Seabook Maritime by Ozgur GUNES

The Leading #1 Maritime App
Editor's Choice
📚 Education
4.5(19 ratings)
Free
Seabook Maritime screenshot 1
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Seabook Maritime screenshot 3
Seabook Maritime screenshot 4
Seabook Maritime screenshot 5
Seabook Maritime screenshot 6

This app provides essential maritime information for seafarers and shore-based professionals. It serves as an offline reference for ship stability, navigation, regulations, and marine engineering, aiding in safer seas and cleaner waters.

Marinus: maritime rules#3

Marinus: maritime rules by Alejandro

COLREGs, IRPCS, IALA & more!
Worth Considering
📚 Education
4.4(214 ratings)
FreeAdsIn-App Purchases
Marinus: maritime rules screenshot 1
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Marinus: maritime rules screenshot 5
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This app provides comprehensive guidance on maritime navigation rules and signals. It offers detailed information on flags, lights, sounds, and buoyage systems, along with interactive quizzes and a map feature. Designed for sailors, it ensures safe navigation on any vessel.

More Colreg apps to explore

4
Master-Nav: COLREGS IALA Tests
Master-Nav: COLREGS IALA Tests
Master-Nav: COLREGS IALA Tests
Practice Maritime Rules Daily
Free
📚 Education
(0)
5
cMate-lite
cMate-lite
cMate-lite
ColReg, IALA, SOLAS, LSA, ICS
Free

This app provides comprehensive maritime regulations and codes, including collision prevention, international signals, life-saving appliances, and safety at sea conventions. It also features weather forecast reading and maritime dictionaries.

Collision prevention regulationsInternational signal codesLife-saving appliance code
📚 Books
(32)
free
6
COLREG 72: safety at sea
COLREG 72: safety at sea
COLREG 72: safety at sea
Shapes, lights and sounds
$3.99

Master maritime collision regulations with interactive flashcards. Learn about vessel lights, shapes, and sounds to improve navigation skills, especially in low visibility. Track your progress and gain confidence at sea.

Interactive flashcards for COLREGsContent organized by specific rulesProgress tracking
📚 Education
(113)
paid
7
AvtoPilot – Prava Oling
AvtoPilot – Prava Oling
AvtoPilot – Prava Oling
Prava Oling
Free

Prepare for your Uzbekistan driver's license exam with this app. It offers offline access to study materials, AI-powered personalized learning, and interactive 3D simulations for traffic rules. Practice with mock exams and compete with others.

Offline access to study materialsAI-powered personalized learningInteractive 3D traffic rule simulator
📚 Education
(4)
free
8
SeaProof - Sailing and Boating
SeaProof - Sailing and Boating
SeaProof - Sailing and Boating
Signals, Maneuvers, Alphabet
Free

Learn sailing basics, right-of-way rules, and signals. Practice maneuvers and prepare for tests with interactive lessons and challenges based on international regulations. Offers a subscription for full content access.

Sailing basics and expert trainingLight and sound signal recognitionRight of way rules
🎮 Games
(5)
free with in-app purchases
9
COLREG
COLREG
COLREG
by Oleksandr Kuzmychov
$0.99

Master maritime navigation with this comprehensive guide to the International Regulations for Preventing Collisions at Sea. Learn about ship lights, day shapes, sound signals, and access the full COLREGs for safe sailing.

Ship lights guideDay shapes meaningsSound signals library
🗺️ Navigation
(0)
paid
10
The Nautical School ExamTutor+
The Nautical School ExamTutor+
The Nautical School ExamTutor+
Learn Rules of the Road
Free

Prepare for your USCG OUPV examination with this comprehensive learning program. It offers over 1,300 practice questions, instant feedback, and detailed explanations to help you master the Nautical Inland and International Rules of the Road.

1300+ practice questionsInstant feedback and explanationsProgress tracking and scoring
📚 Education
(24)
free with in-app purchases
11
超级指令 - 快捷指令库&API调试工具
超级指令 - 快捷指令库&API调试工具
超级指令 - 快捷指令库&API调试工具
万能指令大全 & HTTP Client
Free

This app offers a vast library of customizable shortcut instructions to automate daily tasks and optimize workflows. It also functions as a powerful API client and debugging tool, supporting HTTP/HTTPS requests and curl command imports for efficient testing and monitoring.

Vast library of customizable shortcutsLock screen widget supportAutomate complex tasks with one click
🛠️ Developer Tools
(1)
free with in-app purchases
12
Navigation Rules Pro
Navigation Rules Pro
Navigation Rules Pro
Boating Regs and References
$4.99

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 RulesSound and Light Signals Quick ReferenceAids to Navigation (AtoN)
🔍 Reference
(433)
paid
13
Seagull Training
Seagull Training
Seagull Training
by Seagull maritime AS
Free

Access your training requirements and competence status, view fleet information, and manage your training schedule. The app allows for offline data access and notifies assessors when you are ready for evaluation.

View training requirements and competence statusAccess fleet informationSort training by due date
📚 Education
(50)
free
14
Master-Nav
Master-Nav
Master-Nav
NAV RULES - the easy way!
$1.99

Learn maritime navigation rules with an interactive system designed for effective retention. This app breaks down complex regulations into manageable sections with visual aids and mnemonics. It revisits incorrect answers and provides instant graphical feedback, making the learning process intuitive and efficient.

Interactive learning systemStep-by-step rule guidanceMnemonics and memory aids
📚 Education
(92)
paid
15
CES test answers 2026
CES test answers 2026
CES test answers 2026
Crew Evaluation System Testing
Free

Prepare for maritime certification exams with this simulator. It familiarizes you with test formats, assesses your knowledge gaps, and offers randomized questions to ensure comprehensive preparation. Covers all STCW sections for various vessel types and roles.

Exam preparation simulatorSTCW knowledge assessmentRandomized question generation
📚 Education
(23)
free with in-app purchases
16
Sailor's Deck: COLREGS
Sailor's Deck: COLREGS
Sailor's Deck: COLREGS
Nav Lights & Day Shapes Cards
$1.99
📚 Education
(0)
17
USCG Exam Prep
USCG Exam Prep
USCG Exam Prep
OUPV & Captains License Prep
Free

Prepare for U.S. Coast Guard and FCC license exams with a comprehensive study platform. Access thousands of questions, track your progress, and take practice exams offline. Sync your learning across app and web versions.

Access to USCG and FCC license exam questionsProgress tracking by study categoryTag questions for later review
📚 Education
(10)
free with in-app purchases
18
CSM LearnStrike
CSM LearnStrike
CSM LearnStrike
Experience-based learning
Free
📚 Education
(0)
19
MarineTraffic - Ship Tracking
MarineTraffic - Ship Tracking
MarineTraffic - Ship Tracking
World's #1 ship tracking app!
Free

Track vessels live worldwide using AIS data. View ship positions, movements, and voyage history with detailed vessel information and enhanced weather monitoring. Unlock advanced features for deeper visibility and extended coverage with a Pro plan.

Live vessel tracking worldwideShip positions and movementsVoyage history and key events
✈️ Travel
(65K)
free with in-app purchases
20
Knot Guide (Lite)
Knot Guide (Lite)
Knot Guide (Lite)
Essential knots for any use
Free

Learn to tie a wide variety of essential knots with this comprehensive guide. It offers detailed instructions and visual aids for over 200 different knots, suitable for various practical applications.

Over 200 knots includedDetailed instructionsVisual aids for learning
🔍 Reference
(362)
free with in-app purchases

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