Calculate sailing wind and boat speed with this tool. Input three values to determine the rest and log your data for export. It helps build and validate polar graphs for sailing performance.



8+ similar apps compared and reviewed
Whether you want more options like Mariner Studio or a completely different take on the same concept, our curated list of 8+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.












Calculate sailing wind and boat speed with this tool. Input three values to determine the rest and log your data for export. It helps build and validate polar graphs for sailing performance.




This app provides professional marine navigation with official ENC charts and real-time weather data. It offers advanced instrument displays, alerts for restricted areas and fishing closures, and route planning capabilities for safe and informed voyages.


This free marine navigation app simplifies boating for recreational users. It offers chart support, route planning, and offline capabilities to explore new locations safely and reliably. Connect with other boaters and share your voyages.


Master USCG Navigation Rules with a comprehensive question bank and smart study features. Track your progress, practice for exams, and study offline to navigate with confidence.


This navigation app provides a straightforward way to reach any destination, even in remote areas without roads. Its simple interface is designed for ease of use, making it ideal for outdoor adventures.