Luna Marine Charts
AI-Powered Charts & Navigation
Free · In‑App Purchases
Fast, modern marine navigation with offline NOAA charts, route planning, tides, and live AIS. AI-Powered Chart Intelligence. Built for sailors and boaters.
Luna Marine Charts is a fast, modern marine navigation app built for sailors, cruisers, and recreational boaters.
Plan routes in seconds, navigate with official NOAA and USACE vector charts, and access tides and currents 100% offline. Whether you're preparing at home, planning a coastal passage, or navigating on the water, Luna helps you stay informed and focused.
▶ Chart Intelligence AI
- Get more from your charts with AI-powered explanations and route analysis.
- Chart area overview: Understand the important features and conditions in the area you're viewing.
- Navigation hazards: Identify hazards and things to watch out for.
- Rules, depths & shoaling: Understand restrictions, charted depths, and shallow-water hazards.
- Traffic & Coast Pilot :Learn about expected vessel traffic and relevant official guidance.
- Route review: Analyze your route for hazards, restrictions, depths, and other potential concerns.
▶ Charts & Offline Navigation
- Download NOAA Coastal and USACE Inland River charts for offline use
- Full offline access to chart data, tide stations, and current predictions
- High-contrast Day, Dusk, and Night display modes to protect night vision
- Customizable units for depth, distance, and speed
▶ Fast Route Planning
- Tap to place, drag, or insert waypoints to edit routes instantly
- Real-time distance, bearing, and ETA calculations
- Smart Auto-Routing with Great Circle navigation support
- Seamless GPX route import and export
▶ Integrated Tides & Currents
- Tap any tide or current station directly on the map for instant forecasts
- View water level predictions and flow speed/direction in clean graph views
- Access full station metadata and daily prediction tables off the grid
▶ Live Instrument Dashboard (Pro)
- Turn your phone, tablet, or laptop into a real-time marine display
- Monitor live Speed Over Ground (SOG), Course Over Ground (COG), and GPS signal strength
- Track distance and time remaining to your active waypoint
▶ AIS Traffic & NMEA Integration (Pro)
- Connect to your boat’s NMEA network via Wi-Fi or serial cable
- Overlay live AIS targets directly on your chart for enhanced collision awareness
- Stream high-accuracy position data from your vessel’s external GPS receiver
▶ GPS Track Recording (Pro)
- Record your tracks with flexible pause, resume, and multi-segment tracking
- Export tracks as GPX files to archive your logs or share with other boaters
Ratings & Reviews
▶ Chart Intelligence AI
- Get more from your charts with AI-powered explanations and route analysis.
- Chart area overview: Understand the important features and conditions in the area you're viewing.
- Navigation hazards: Identify hazards and things to watch out for.
- Rules, depths & shoaling: Understand restrictions, charted depths, and shallow-water hazards.
- Traffic & Coast Pilot :Learn about expected vessel traffic and relevant official guidance.
- Route review: Analyze your route for hazards, restrictions, depths, and other potential concerns.
▶ Bug Fixes and Enhancements
- Improved map display and chart selection. We continue to make the map area faster and higher quality
- Other minor bug fixes and UI improvements
The developer, 45 Adapter LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 45 Adapter LLC
- Size
- 34.6 MB
- Category
- Navigation
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPad
Requires iPadOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Location
- This app may use your location even when it isn’t open, which can decrease device battery life.
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Luna Pro $19.99
- 100 Chart Intelligence Credits $4.99
- Copyright
- © 2026 45 Adapter LLC
