moodSailor

moodSailor is a nautical navigation app for sailors, boaters, kayakers and anyone who spends time on the water. It works offline, runs on your phone, and respects your privacy.

NAVIGATION

- Man overboard: MOB button on every screen, alarm, bearing and drift area

- COG, SOG, max and average speed

- Distance travelled, current GPS position, magnetic heading

- Compass: fixed or rotating mode

- Head-up course-over-ground compass

- Reorderable metric cards

- Custom cockpit panels: your cards, your sizes

- Regatta mode: course marks, start sequence with flags and countdown, over-early alert

- Signal K and NMEA instruments on the cockpit: heading, depth, wind

- TVMDC calculator, units converter and IALA region card

MAP

- OpenStreetMap base layer with OpenSeaMap nautical chart overlay

- Official charts where a hydrographic office publishes one free: Norway, US, Canada, Iceland, Netherlands, Spain

- Offline tiles: pick area, layers and zoom

- One-tap Map/Satellite view switch

- Adjustable overlay opacity

- Download tiles, weather, marine data and marks

- Three rotation modes: north up, COG-aligned, compass-aligned

- Follow mode with position marker and heading line

- Route tool: draw, measure, save multi-leg routes

- Sketches: draw freely on the map in eight colours, save by name, export as KML or GeoJSON

- Route deviation watch: alarm when your heading leaves the course, even with the screen off

- Anchor watch: circle or polygon around the drop point, alarm if the boat drags

- Navigational warnings: French AVURNAV, Canada, Croatia and relayed authorities

WEATHER, CURRENTS AND TIDES

- Wind, ocean currents, waves and swell from Open-Meteo

- Wave and swell height, direction and period

- Choose the forecast sheet's weather fields

- Animated particles or wind-barb arrows

- Smooth heatmap with colour scale

- Forecast time slider

- Tide curve integrated in the sea-level row

- Every recorded GPS point carries its weather, currents, waves and tide

GPS TRACES

- Recording interval: 1, 2 or 5 seconds

- Background mode: keeps running with screen locked

- Live trace coloured by speed

- Resilient to GPS dropouts

- Battery guard (Android); native location manager (iOS)

- Editor: mini-map, altitude graph, weather, currents, tide

- Six denoising rules

- Import via "Open With" from Files, Mail

- Export to GPX, GeoJSON, CSV or KML

POINTS OF INTEREST

- Create, edit and delete POIs

- Nautical marks: the full IALA set, incl. wreck and preferred channel

- POIs on the map with type-specific icons

- Mark detail pages: light rhythm, cardinal topmark

- Lit marks flash their real light rhythm on the map

- OpenSeaMap nautical marks: download as POIs, search by signal code

- Export points, seamarks or your position as GPX, KML, CSV or GeoJSON

AR POI FINDER

- Live camera with augmented-reality POI markers

- Compass ribbon with cardinal labels

- Configurable distance range and marker size

- Immersive full-screen mode

- OpenSeaMap nautical marks and saved POIs visible in AR view

- Camera detects the real horizon line

- Camera matches vessels to AIS targets

- Night light ID: matches flash rhythm against charted lights

AIS VESSEL TRACKING (optional)

- Live nearby vessel positions on the map and in AR POI Finder

- Course and speed indicators

- Vessels rendered as kites under way and circles when stopped

- AR vessels at real angular size

- Status icons on vessel symbol

- Predicted AR positions from last course/speed

KNOWLEDGE

- Built-in reference: glossary, ship lights, day marks, wind, magnetism, currents, tides

- Search, sources, illustrations

- Interactive tide tool: pick a point on the map

- Morse & ICS signal flags: text->code/flag

SETTINGS

- 25 languages

- Units: distance, speed, altitude, temperature, coordinates

- Themes: light, system, dark

- Weather model selector

- Offline regions list with size and delete

PRIVACY

- No account, no ads, no tracking

- Your data stays on your device

- Train the fleet: opt-in sightings sharpen recognition