VesselFinder
Lloyd’s List Intelligence: Seasearcher
ShipFinder
FleetLeaks
Fluxargo
Windward
My Ship Tracking
MarineTraffic Live Ships Map.

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Which is more popular?
Based on our record, MarineTraffic seems to be more popular. It has been mentioned 39 times since March 2021.
Website, pricing, platforms and company facts side by side.
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MarineTraffic
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| Website | marinetraffic.com | opalstack.com |
| Pricing | — | |
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What each product offers, as listed by its team.

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MarineTraffic Mobile App - The World's most trusted Ship Tracking app
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Recommendations tracked on public social media and blogs since March 2021.

First port of call (as it were) when you see strange shipping behaviour is marinetraffic.com. There you can learn the name of the ship, and start a deep dive (as it were) into what it's up to. Source: almost 3 years ago
I have searched for the vessel on marinetraffic.com and found some info for it from the USCG Maritime info exchange, but have not been able to locate it. Size: 50.7 feet, origin: USA, Gulf of Mexico, built in 1948, originally named... Source: about 3 years ago
Assuming the cruise is following the same pattern the prior week, use marinetraffic.com to track and you'll see the precise location. Know that it might change. Source: over 3 years ago
Tracking Opalstack since Sep 2023.
When comparing MarineTraffic and Opalstack, you can also consider the following products.

VesselFinder is a FREE AIS vessel tracking web site. VesselFinder displays real time ship positions and marine traffic detected by global AIS network.
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Harness the complete view of the world's shipping fleet with Seasearcher, our AIS vessel tracking platform.
Compare Lloyd’s List Intelligence: Seasearcher to MarineTraffic or Opalstack:

FREE Global AIS Vessel Tracking Intelligence
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Russia-sanctioned vessels tracker across 6 jurisdictions
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Commodity, maritime & energy intelligence built on public data — a fraction of the price of legacy terminals.
Compare Fluxargo to MarineTraffic or Opalstack:

Action-packed combat on the high seas in a large procedural world.
Compare Windward to MarineTraffic or Opalstack: