C vs moodSailor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
C
Access up-to-date nautical charts for global exploration and planning. Save points of interest and routes, record tracks, and view marine weather. Upgrade for offline maps, GPS, and advanced features like shaded relief and AIS.
- Free chart viewer
- Autorouting
- Personal waypoints
- Track recording
- Marine weather forecasts
- Offline map downloads
- High-resolution bathymetry
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The C-MAP® App is the perfect companion for recreational boaters and water-lovers. Available on Mobile, Tablet or PC, you’ll always be able to access the most up to date C-MAP charts, wherever in the world you are. With full features, allowing you to explore, plan and save Points of Interest and Routes from wherever you are, the C-MAP App is the perfect aid to navigation for savvy boaters. The C-MAP App Includes: - FREE Chart Viewer - Autorouting™ – find the best route to your favourite places - Personal Waypoints - Track Recording - Thousands of pre-loaded Points of Interest - Marine Weather Forecast - Weather Along the Route - Weather Overlay - Chart Personalisation - Import & Export GPX Files – share your Routes, Tracks or Waypoints with friends - Measure Distance Tool Upgrade to Premium to unlock additional features, including: - Full GPS Functionality - Offline Map Downloads - REVEAL Shaded Relief - High-Resolution Bathymetry - Custom Depth Shading - AIS & C-MAP Traffic Try before you buy… Experience C-MAP App Premium for yourself, with a free 14-day trial (3-day trial in Denmark and Sweden). The C-MAP App updates on a continual basis, ensuring the latest, most up-to-date maps are always at your fingertips. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Links to Your Privacy Policy and Terms of Use. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Privacy Policy: https://www.brunswick.com/dsar Terms of Service https://appchart.c-map.com/tos.html
moodSailor
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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 - 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, all night - Navigational warnings: French AVURNAV, Canada, Croatia and relayed authorities; alert when one is nearby 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; hourly popover - 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 and in the camera view - 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; collision awareness - 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
Screenshots
Verdict
The clearest difference is in-app purchases: moodSailor at none against C's 11. moodSailor also leads on update cadence (every 2 weeks vs every 6 weeks). C's advantage is chart position (#103 vs unranked). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. C sells 10 in-app purchases, starting at $1.99 per month. moodSailor asks for nothing beyond the download.
C ships an update every 6 weeks, moodSailor every 2 weeks. The most recent releases landed on October 15, 2026 and September 29, 2026 respectively.
| Parameter | C | moodSailor |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2.3K ratings) — better | — |
| Positive reviews | 51.0% of reviews | — |
| Number of ratings | 2.3K — better | — |
| Update frequency | Every 6 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #103 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 169 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | Navico Norway AS | Société Française d'Infonuagique |
Bugs and requests
C
Reported bugs
4 issues- App crashes when trying to save tracks or routes
- Offline maps fail to download or disappear
- Depth/contour data inaccurate or not displaying properly
- Login and authentication issues preventing access
Requested features
4 requests- Add mast height/clearance feature
- Improve AIS integration and functionality
- Allow more customization of map views and data
- Provide better customer support and communication
moodSailor
Not enough reviews yet to summarise bugs or requests.
In-app purchases
C
- Embark Advanced Weather$1.991 Month
- Embark Offline Maps USA$2.491 Month
- Annual Subscription14 Days trial$14.991 Year
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- Annual subscription14 Days trial$14.991 Year
- Region14 Days trial2 variants$18.991 Year
- North America14 Days trial$23.491 Year
- Maps Lakes South East USA14 Days trial$25.991 Year
- Annual Subscription14 Days trial$29.991 Year
- Caribbean14 Days trial$32.991 Year
- Maps USA East Coast & Bahamas14 Days trial$39.991 Year
moodSailor
No in-app purchases









