Offline navigation toolkit for deck officers: ETA, Celestial, Drafts, References
Pros & Cons
Offline-first operation (Weather Online only) for reliable use at sea
Comprehensive suite of navigational calculators and references in one app
Large ports database (~7,244 ports) with coordinates and UN/LOCODE for planning
Export to PDF/print from all calculators for on-site documentation
Current rating is 0.0 with 0 user ratings
Not ranked in any top lists currently
About MaritimeHub
MaritimeHub is a tools app developed by Navy Navigator.
Download Statistics
MaritimeHub has been downloaded 16 thousand times. In the last 30 days, the app was downloaded 3.3 thousand times.
User Ratings
The app has no ratings yet.
App Information
MaritimeHub is FREE to download. The APK download size is 58.43 MB. The latest version available is 2.0.1. The last update was on August 8, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play December 2025.
Description
MaritimeHub is an offline navigation assistant for mariners and deck officers. It works offline, except for Weather Online, and combines navigation calculators, maps, references and professional maritime tools in one app.
Navigation Tools: • ETA Calculator — ETA from current device time or manual departure time. • Required Speed — required average speed for a selected ETA. • Multi-WP ETA — route ETA for multiple waypoints. • Leg Summary — passage analysis: time, average speed, SLIP and more. • Noon Report — Noon / BOSP / EOSP reports. • True Wind — true wind calculation. • Anchor Watch — anchor chain length, swing radius and GPS-based anchor circle monitoring. • CPA Calculator — CPA / TCPA and close-quarters parameters. • Squat Effect — squat calculation underway. • Density Correction — draft correction for water density. • Trim Correction — draft correction due to trim. • Draft Survey — displacement / cargo / constant calculation. • Opposite Draft — hidden side draft and heel/list calculations. • Magnetic Variation — adjust charted variation to voyage year. • Compass Error — gyro / magnetic compass correction, Star Finder, GPS position autofill. • Compass Comparison — compare gyro and magnetic compass headings. • Celestial Navigation — vessel position by three celestial bodies. • Point to Point — course and distance: Rhumb Line / Great Circle. • Coords Converter — DD / DM / DMS coordinate converter. • Unit Converter — maritime and engineering unit conversions. • ECDIS Contours — Shallow / Safety / Deep contour calculations. • GPS Monitor — live GPS position, speed, course, trip distance, average speed. • Roll Meter — live heel, roll period and GM calculation. • Roll & GM — roll period and metacentric height calculations. • Bunker Calculation — voyage bunker planning. • Fuel Interpolation — calculate ROB or fuel consumption at an intermediate event using time-based interpolation. • Blind Distance — blind area under the bow and propeller immersion. • Propeller Distance — distance run by propeller RPM and time. • Simplified ECDIS — simplified ECDIS simulator.
References & Maps: • CATZOC — depth uncertainty calculation by CATZOC category. • Sun Times — sunrise, sunset, twilight, time zones + GPS autofill. • Moon Phases — moon phase reference. • Meteo Scales — Beaufort scale and weather reference. • Cargo Ventilation — cargo ventilation assessment. • Dew Point / Humidity — dew point and relative humidity. • NAVTEX Stations — interactive NAVTEX station map + GPS vessel position. • e-NP & ADRS Areas — e-NP, ADRS, ATT and ADLL areas with GPS position. • ECA, PSSA & Special Areas — interactive environmental, particularly sensitive and special area maps. • Routeing & Security Charts Areas — weather routeing and security chart coverage. • NAVAREA Regions — interactive NAVAREA map + GPS position. • Load Line Zones — Load Line zones + GPS position. • IALA — IALA buoyage system Region A/B + map. • Route Checker — check a planned route against e-NP, NAVAREA, NAVTEX, IALA, ADRS, ECA, Special Areas, PSSA, Load Lines, Routeing and Security Charts. • GMDSS Advisor — estimate VHF/MF/HF radio range and find practical MF/HF DSC test stations. • ICS — International Code of Signals. • Ports — ports database (~7,244) with coordinates and UN/LOCODE. • Country Flags — national flags. • World Time — world time zones, including DST. • Tidal Curve — intermediate tide height calculation. • Online Weather — online weather by PassageWeather.com. • GRIB Builder — build weather overlay requests for ECDIS. • Morse Code. • COLREG 72 — COLREG 72 with illustrations and annexes. • Earnings — salary calculator: Basic / Overtime / Leave Pay and more.
All calculators support print / export to PDF or directly to a printer. MaritimeHub is a practical all-in-one toolkit for navigation, calculations and maritime reference at sea.
Recent changes: Minor bugs have been fixed and overall app stability has been improved.
Get a detailed PDF report for MaritimeHub with download trends, rating history,
and key performance statistics — useful for competitive research or tracking your own app.
Learn more
Are you the developer of this app? Join us for free to see more information about your app and learn how we can help you promote and earn money with your app.
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.
