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COLREG 72: safety at sea

COLREG 72: safety at sea

Shapes, lights and sounds

113 ratings
17 reviews
📚 Education
🗺️ Navigation
$3.99

Details

  • Released
  • Updated
  • June 30, 2015
  • May 5, 2026

Developer

Smirnov Yury
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About

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 COLREGs
✓Content organized by specific rules
✓Progress tracking
✓Resetable results
✓Learn navigational lights and shapes
✓Improve vessel assessment skills
Show original description

What's New in COLREG 72

2.7.0

May 5, 2026

Smart Study Reminders Turn on optional reminders and Vessel Lights will bring you back only when there is something useful to do: an unfinished exam, personal practice, or mistakes to review. Respectful Timing Reminders use quiet hours and weekly caps, so notifications stay focused and easy to control. Reliability Fixes Improved background sync for reminder profiles and fixed a rare secure-storage crash during startup.

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User reviews

Most RecentHighest RatedLowest Rated

Question

How to change the language?
Explorer515Explorer515

Изменение фона

Как изменить фон с темного на белый?
Morehod____Morehod____

Неплохо, но…

Нужно добавить Английский язык в правила, будет гораздо лучше!
Алексеℹ️Алексеℹ️

Glitches and folders wrong

App glitches and says you’ve got thing wrong when they are right and there will be sound questions in day shapes folder etc. unsure what’s going on.
Lachland2Lachland2

Response from developer

Thank you for your feedback. We’re sorry to hear about this issue. In the latest version, we’ve fixed several glitches and improved how questions are organized across sections, including sounds and day shapes. Please update the app and let us know if anything still looks incorrect.

Not a good reference

Many incorrect answers and mixed up info. Can’t trust this one for study.
WhiskeyTFWhiskeyTF
See 12 more reviews

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FAQ

How does COLREG 72 help users learn?

COLREG 72 uses interactive flashcards organized by specific rules to make learning the International Regulations for Preventing Collisions at Sea more intuitive and efficient. The app helps users master and reinforce their knowledge of these critical maritime rules.

What kind of content does COLREG 72 cover?

The app focuses on the International Regulations for Preventing Collisions at Sea (COLREGs-72), including detailed information on navigational lights, shapes, and sounds. This content is crucial for accurately assessing vessel positions and maneuverability.

Can I track my learning progress with COLREG 72?

Yes, COLREG 72 automatically saves your answers, allowing you to track your progress through the material. You also have the option to reset your results if you wish to start fresh.

Is COLREG 72 suitable for beginners?

Yes, COLREG 72 is designed for both experienced navigators and those preparing to become one. It provides a structured way to learn and reinforce essential knowledge for maritime safety.

What devices does COLREG 72 support?

COLREG 72 is available on iPhone, iPad, and iPod devices. It is designed to be accessible on Apple's mobile platforms.

How often is COLREG 72 updated?

The app was last updated on March 4, 2025, indicating ongoing support and potential for future improvements. The latest version is 2.3.3.

What is the user sentiment for COLREG 72?

Users have rated COLREG 72 highly, with an average of 4.8 stars from 99 ratings. This suggests a very positive user experience and satisfaction with the app's effectiveness.

Does COLREG 72 have ads?

No, COLREG 72 does not contain advertisements. The app is ad-free, providing an uninterrupted learning experience for users.