AllTrails: Find hiking, running and biking trails with reviews and photos. Navionics ChartViewer: Nautical charts and sonar depth maps for boaters, online.
| AllTrails | Navionics ChartViewer | |
|---|---|---|
| Category | Hiking, Ski & Outdoor Maps | Hiking, Ski & Outdoor Maps |
| Coverage | Worldwide | Worldwide |
| Updates | Continuously (community edits) | Periodically |
| Data source | User-recorded trails and reviews | Navionics charts and community sonar logs |
| Made by | AllTrails | Navionics (Garmin) |
| Price | Free; AllTrails+ adds offline maps and more | Free |
| Account | Free to view, account for extras | No account needed |
| On phones | Phone app available | Phone app available |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with AllTrails
- Trails worldwide with reviews
- Filter by length, difficulty and dog-friendliness
- Recent condition reports
- Offline maps with AllTrails+
What you can do with Navionics ChartViewer
- Nautical charts worldwide
- Community sonar depth contours
- Marinas and points of interest
Summary based on public information. Check each map's website for current features and prices.