Marinus vs Nautical Flags Helper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Marinus
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.
- Maritime flags and meanings
- Weather scales and cloud identification
- Sound signal guidance
- Vessel navigation light diagrams
- Day shape identification
- Safe navigation maneuvers
- Morse code decoder
- IALA Buoyage System
- Radio communication guidelines
- COLREGs text
Read full descriptionHide full description
Not just another app for navigation rules… this is THE app for navigation rules! Created by sailors, for sailors, Marinus COLREGs is designed to provide clear and instant answers to your questions anytime, anywhere. It's the essential app for your sailboat or motorboat. Key Features: • Flags – All maritime flags with their meanings. • Meteo – Beaufort and Douglas scales, plus cloud identification. • Sounds – Navigate safely with sound signal guidance. • Lights – Detailed views of every vessel's navigation lights from all angles. • Day Shapes – Learn and identify the correct day shapes for any situation. • Maneuvers – Clear guidance on safe navigation maneuvers. • Morse – Decode Morse signals with ease. • Buoys (IALA) – Understand the International Buoyage System. • Radio – Key radio communication guidelines. • ColRegs – Full text of the International Regulations for Preventing Collisions at Sea (IRPCS). • Quiz – Test your knowledge with interactive quizzes. • Map – Visualize navigation concepts on an interactive map. Access PRO Features Unlock all PRO features with an affordable annual subscription. Your support helps us maintain and improve the app, keeping it the trusted tool for sailors around the world. Join thousands of sailors who trust Marinus ColRegs every day on their iPhone. Whether you're an experienced seafarer or just starting your nautical journey, this is the app you’ve been looking for! For any questions, feel free to contact us at info@marinus.es.
Nautical Flags Helper
Master maritime communication with interactive flashcards and quizzes covering nautical signal flags, semaphore, and Morse code. Learn essential navigation and safety signals based on the International Code of Signals.
- International Code of Signals
- Nautical signal flags
- Semaphore signals
- Morse code
- Interactive flashcards
- Quizzes
Read full descriptionHide full description
Nautical Flags Helper is your ultimate companion for mastering maritime communication! Nautical Flags Helper app is based on the International Code of Signals (ICS), commonly used by sailors for navigation and safety, ensuring you learn effectively and efficiently. From nautical signal flags to semaphore signals and Morse code, our interactive flashcards and quizzes make learning a breeze.
Screenshots
Verdict
The clearest difference is rating: Nautical Flags Helper at 5.0 against Marinus's 4.4. Nautical Flags Helper also leads on in-app purchases (none vs 1). Marinus's advantage is ratings volume (215 vs 1) and iOS requirement (13.0 vs 15.3). On price, ads 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
Both are free to download. Marinus sells 1 in-app purchase, starting at $8.99 per year. Nautical Flags Helper asks for nothing beyond the download.
Nautical Flags Helper holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Marinus has 215 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | Marinus | Nautical Flags Helper |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (215 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 65.3% of reviews | — |
| Number of ratings | 215 — better | 1 |
| Update frequency | Every 5 weeks | — |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.3 |
| Further details — not scored | ||
| Size | 113 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Alejandro | Dmitrii Napolov |
Customer experience
Marinus
Nautical Flags Helper
Bugs and requests
Marinus
Reported bugs
4 issues- App not working, ads won't clear
- App crashes frequently
- Mistake with sounds
- App crashes after 10-15 seconds
Requested features
7 requests- Settings for Buoyage A & B & combined
- Search feature
- Combine sounds and lights
- Add tides information
- More free version functionality
Show 2 moreShow fewer
- More detail in maneuvers section
- Lights with silhouette and head-on/stern-on views
Nautical Flags Helper
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Marinus
- Marinus PRO3 Days trial$8.991 Year
Nautical Flags Helper
No in-app purchases
Questions
Is Marinus free?
Is Nautical Flags Helper free?
Which has better reviews, Marinus or Nautical Flags Helper?
Do Marinus or Nautical Flags Helper have ads?
Other comparisons















