moodSailor vs SailorGuard

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 tile caching: pick an 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 - Native iOS location manager for reliable background recording - 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 - 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, beacons, 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

SailorGuard brings real-time awareness, safety automation, and remote visibility to your boat. Whether you're onboard or miles away, you always know what's happening. SMART ALERTS • Anchor drift detection with geofence boundaries • Wind speed warnings before conditions become dangerous • Depth alarms to prevent grounding • Instant push notifications to your phone • Victron smart shunt integration (battery monitor) ANCHOR MONITORING & CONTROL • Live anchor position on map • Chain length visualization • Remote anchor control (raise, lower, stop) • Automatic alerts when boundaries are violated LIVE INSTRUMENTS • Real-time wind speed & direction • Depth readings • GPS position & course • All data synced via SignalK CONNECTED ANYWHERE • Monitor your boat from anywhere in the world • Secure cloud connection • Works on local WiFi and remotely • SignalK integration for seamless data PEACE OF MIND Sleep soundly knowing SailorGuard is watching. Get alerted the moment something needs your attention. Perfect for sailors, cruisers, and boat owners who want smarter, safer boating. Learn more: www.sailorguard.com