Marinus: maritime rules
Marinus: maritime rules Summary
Marinus: maritime rules is a with in-app purchases iOS app in Education by Alejandro. Released in Jul 2012 (13 years ago). It has 492 ratings with a 4.17★ (good) average. Based on AppGoblin estimates, it reaches roughly 978 monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Dec 2, 2025, version 99.
Data tracking: SDKs and third-party integrations were last analyzed on Sep 30, 2025.
Store info: Last updated on App Store on Dec 2, 2025 (version 99).
Marinus: maritime rules was last scanned for SDKs 2025-09-30. Below is the overview of third party companies detected in the app. The full list of raw SDKs, app permissions and unknown SDKs is available here.
Firebase
Flutter
nanopb
Google
OpenID
RevenueCat
AdMob4.17★
Ratings: 492
Screenshots
App 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.