★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
MarineTraffic vs OpenCorporates
Pick MarineTraffic if
MarineTraffic
Free • Paid plans available · Web · Mobile · API
- Delayed quotes won't cut it; you need real-time data
- You do a lot of your research from your phone
- You care about data visualizations, shipping & trade, and alerts, things OpenCorporates doesn't offer
Pick OpenCorporates if
OpenCorporates
Free • Contact for pricing · Web · API
- You care about regulatory filings monitoring and other, things MarineTraffic doesn't offer
Skip both if: Neither one clicks with how you research; there are strong third options.
See alternativesOutbound links may include affiliate or sponsor codes.
Our take
The bottom line
The real difference is focus: only MarineTraffic gives you data visualizations and shipping & trade, and only OpenCorporates gives you regulatory filings monitoring and other. On paper they're closely matched, so let pricing, platform fit, and the details below break the tie.
What readers say
MarineTraffic
Vote once to reveal the community verdict.
OpenCorporates
Vote once to reveal the community verdict.
Key differences at a glance
- Real-time data
- MarineTraffic
- Mobile app
- MarineTraffic
- Free plan
- Both
See for yourself
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.ShowHide
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • Paid plans available | Free • Contact for pricing |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | — | 8 limits: Essentials (API): api calls per month: 500, Essentials (API): api calls per day: 200 +6 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | Yes | No |
API access | Yes | Yes |
Broker sync | No | No |
Integrations | — | OpenRefine |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 4 | 3 |
Regions | North America, Europe, APAC, LatAm, Middle East, Africa | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | Latency: Streaming | Latency: End of Day and Granularity: EOD |
Security | — | Status page |
| Try it | Visit MarineTraffic | Visit OpenCorporates |
Where each one shines
What MarineTraffic and OpenCorporates each do best.ShowHide
Where each one shines
What MarineTraffic and OpenCorporates each do best.What MarineTraffic does best
- Tracking vessels on a live AIS map with filters for ship type, capacity, status, destination, and custom smart filters.
- Tools for creating notifications for port calls, area entries, speed or course changes, drifting, ETA updates, draught updates, proximity events, and AIS coverage changes.
- Email, mobile push, and notification archives to monitor maritime events are available without constantly watching the map.
- Views for reviewing Past Track playback, with history depth varying by plan from limited free access to deeper Enterprise history.
- Route-forecast tools for path previews, ETA detail, and speed detail where the plan supports them.
What OpenCorporates does best
- Search tools across a public legal-entity database advertised at 200M+ company records aggregated from official registries with provenance and source links.
- The versioned REST API with API-key authentication and JSON or XML output for company and officer data workflows.
- OpenRefine Reconciliation API to match company names to legal identifiers during entity-resolution work.
- Access to enterprise bulk data through SFTP-delivered CSV datasets for companies, officers, addresses, alternative names, identifiers, and relationships.
- Relationship data for subsidiaries, branches, control statements, shareholdings, and ownership-mapping workflows.
Every detail we compared
Every tracked attribute for MarineTraffic and OpenCorporates, side by side.ShowHide
Every detail we compared
Every tracked attribute for MarineTraffic and OpenCorporates, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Other | Other |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North AmericaEuropeAPACLatAmMiddle EastAfrica |
| Data | ||
Data freshness | Streaming | End of Day |
Data granularity | Not specified | EOD |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: APIKey | Auth: APIKey |
Import methods | CSVManual | Not specified |
Integrations | Not specified | OpenRefine |
Export formats | CSV | CSVJSON |
| Plans & trust | ||
Security & compliance | Not specified | Status page |
Vendor & support | Kpler (MarineTraffic)Support: Email | OpenCorporates LtdCountry: United KingdomFounded 2010Support: Email |
Curation ratings | Methodology 3/5Reliability 4/5UX 4/5 | Not specified |
Green tags are exclusive to that tool in this comparison.
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.ShowHide
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.| Tier | ||
|---|---|---|
| Free plan | Free | Free“Free (personal & public-benefit use)” |
| Entry paid plan | Subscription“Basic” | £225/mo“Essentials (API)”api calls per month: 500 · api calls per day: 200 |
| Tier 2 | Subscription“Essential” | £660/mo“Starter (API)”api calls per month: 2,500 · api calls per day: 500 · +1 more |
| Top plan | Subscription“Enterprise” | £1200/mo“Basic (API)”api calls per month: 5,000 · api calls per day: 1,000 · +1 more |
| Custom / enterprise | — | Contact sales“Enterprise Bulk (SFTP CSV datasets)” |
Questions we keep getting
What's the difference between MarineTraffic and OpenCorporates?
MarineTraffic leans toward data visualizations, APIs & data feeds, and shipping & trade, while OpenCorporates puts more weight on APIs & data feeds, regulatory filings monitoring, and other. They overlap in 1 categories, so for most people it comes down to workflow preference and price.
How much do MarineTraffic and OpenCorporates cost?
Good news: both MarineTraffic and OpenCorporates have free plans, so you can run them side by side and only pay if you hit a wall.
Can I use MarineTraffic or OpenCorporates on my phone?
MarineTraffic lists a dedicated mobile app, so it travels better. OpenCorporates doesn't list a dedicated mobile app; its documented access is web and API.
Do MarineTraffic and OpenCorporates have APIs?
Yes, both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.
Should I choose MarineTraffic or OpenCorporates?
It depends on what you're after. Pick MarineTraffic if data visualizations and shipping & trade matter to you; go with OpenCorporates if you'd rather have regulatory filings monitoring and other. And if you only need the basics both share, let price decide.
Does MarineTraffic or OpenCorporates have real-time data?
MarineTraffic offers real-time data, which matters if you trade actively. OpenCorporates runs on delayed or end-of-day data, which is perfectly fine for longer-term investors who don't live and die by the tick.
Can I export data from MarineTraffic and OpenCorporates?
Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.
Keep researching
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Feedback
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Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.