Navionics ChartViewer: Nautical charts and sonar depth maps for boaters, online. Strava Global Heatmap: Where people run, ride and swim, as a glowing heatmap.
| Navionics ChartViewer | Strava Global Heatmap | |
|---|---|---|
| Category | Hiking, Ski & Outdoor Maps | Hiking, Ski & Outdoor Maps |
| Coverage | Worldwide | Worldwide |
| Updates | Periodically | Monthly |
| Data source | Navionics charts and community sonar logs | Strava activities |
| Made by | Navionics (Garmin) | Strava |
| Price | Free | Free |
| Account | No account needed | Free to view, account for extras |
| On phones | Phone app available | Works well on phones |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with Navionics ChartViewer
- Nautical charts worldwide
- Community sonar depth contours
- Marinas and points of interest
What you can do with Strava Global Heatmap
- Heatmap of running, cycling, swimming and winter sports
- Filter by activity type
- Find popular routes anywhere
Summary based on public information. Check each map's website for current features and prices.