Comparison

Marinus vs Nautical Flags Helper

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read 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.

About

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.

Highlights
  • International Code of Signals
  • Nautical signal flags
  • Semaphore signals
  • Morse code
  • Interactive flashcards
  • Quizzes
Features
Read 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

Marinus4 screens
Nautical Flags Helper4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

Scorecard5 real differences · 5 level
Marinus versus Nautical Flags Helper: the parameters behind the verdict, then further details
ParameterMarinusNautical Flags Helper
PriceFreeFree
Rating4.4 (215 ratings)5.0 (1 ratings) — better
Positive reviews65.3% of reviews—
Number of ratings215 — better1
Update frequencyEvery 5 weeks—
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.3
Further details — not scored
Size113 MB35 MB
Age rating4+4+
DeveloperAlejandroDmitrii Napolov

Customer experience

Marinus

All ratings215 ratings
Positive87.0%
Neutral7.4%
Negative5.6%
Written reviews95 reviews
Positive65.3%
Neutral10.5%
Negative24.2%

Nautical Flags Helper

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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 more
  • 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

1 purchases

Marinus

Subscriptions1
  • Marinus PRO3 Days trial$8.991 Year
None

Nautical Flags Helper

No in-app purchases

Questions

Is Marinus free?
Marinus is free to download, with in-app purchases available.
Is Nautical Flags Helper free?
Nautical Flags Helper is free to download, with no in-app purchases.
Which has better reviews, Marinus or Nautical Flags Helper?
Nautical Flags Helper is rated higher. Marinus averages 4.4 out of 5 from 215 ratings, while Nautical Flags Helper averages 5.0 from 1 ratings.
Do Marinus or Nautical Flags Helper have ads?
Both Marinus and Nautical Flags Helper show ads.

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