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Feature checklists make every tool look equivalent. This table leads with the three things that actually differ — what it costs you before it works, whether your files leave your device, and where the free version stops.
| komootkomoot.com | Flightradar24flightradar24.com | MarineTrafficmarinetraffic.com | OpenStreetMapopenstreetmap.org | |
|---|---|---|---|---|
| What it does | Plans a cycling or hiking route by surface, gradient and what other people ride | Shows aircraft moving in real time, with the tail number and where it came from | Live positions for merchant ships, ferries and yachts broadcasting AIS | A map of the world anyone can correct, and everyone else can reuse |
| What it costs you | Free tierA genuinely usable free tier with paid plans for volume or team features. | Free tierA genuinely usable free tier with paid plans for volume or team features. | Free tierA genuinely usable free tier with paid plans for volume or team features. | No sign-upWorks the moment the page loads. No account, no email, no trial. |
| Your files | Runs on their server | Runs on their server | Runs on their server | Runs on their server |
| Where it stops | A new account unlocks one region free; the one-off region packs were withdrawn in 2025, so everything beyond it is now a Premium subscription. | The free tier carries ads and keeps only about seven days of flight history; longer playback, filters and weather layers need a subscription. | Free positions can lag by minutes and satellite coverage, voyage history and route forecasts are all paid features. | It is a map and an editor, not a navigation app — there is no live traffic and no turn-by-turn guidance on the site itself. |
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| Category | Maps & Travel | Maps & Travel | Maps & Travel | Maps & Travel |
| Last checked | 2026-07-29 | 2026-07-29 | 2026-07-29 | 2026-07-29 |
| Open the site | Open | Open | Open | Open |
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