OpenSeaMap: Free nautical chart with buoys, lights and harbours from OpenStreetMap. Strava Global Heatmap: Where people run, ride and swim, as a glowing heatmap.
| OpenSeaMap | Strava Global Heatmap | |
|---|---|---|
| Category | Hiking, Ski & Outdoor Maps | Hiking, Ski & Outdoor Maps |
| Coverage | Worldwide | Worldwide |
| Updates | Continuously (community edits) | Monthly |
| Data source | OpenStreetMap and community depth data | Strava activities |
| Made by | OpenSeaMap contributors | Strava |
| Price | Free | Free |
| Account | No account needed | Free to view, account for extras |
| On phones | Works well on phones | Works well on phones |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with OpenSeaMap
- Seamarks, lights and harbours
- Community depth data
- Sport and harbour layers
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.