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# Migrating from Navionics
Welcome to Nav. This guide covers the key differences and how to move your data over.
---
## What's Different
| Feature | Navionics | Nav |
|---|---|---|
| Charts | Navionics SonarChart + Raster | OpenFreeMap vector tiles |
| Track recording | In-app GPX | GPX saved to Documents/Nav/ |
| Trip log | Voyage log | Voice log (transcribed) |
| Departure planning | None | Pre-trip briefing with sail plan |
| Wind overlay | Basic | Wind particles + hourly forecast |
---
## Exporting Your Tracks from Navionics
1. Open Navionics on your phone or tablet
2. Go to **My Charts → Tracks**
3. Tap a track → **Share → Export GPX**
4. Save or AirDrop the `.gpx` file to your device
---
## Importing Tracks into Nav
Nav automatically reads GPX files from the **Documents/Nav/** folder on your device.
1. Move your exported `.gpx` files to `Documents/Nav/` using the Files app
2. Re-open Nav — tracks are loaded on startup
3. Similar-conditions trip comparison in the Pre-Trip Briefing will use these tracks
---
## Waypoints
Nav does not currently manage waypoints. Use Navionics or a dedicated chart plotter for waypoint routing. Nav focuses on departure briefing, track recording, and the sail log.
---
## Charts
Nav uses **OpenFreeMap** vector tiles. These are free, fast, and work well for coastal cruising. They do not include depth contours or hazard overlays — continue using Navionics or a NOAA chart app for navigation in unfamiliar waters.
---
## Daily Workflow
**Before you sail:** Open the **Safety → Plan Trip** screen for your departure briefing — sail plan, heading recommendation, watch items, and a look at how conditions will change over your trip window.
**On the water:** Tap **Log** to dictate voice notes. The GPS track records automatically when you tap the record button.
**After you return:** The post-trip report summarises distance, duration, and max SOG.
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