Tool Comparison
Listen Notes vs OpenCorporates
- Paid from
- $200/mo
- Free plan
- Yes
- Platforms
- Web, API, Mobile
Best if
- Delayed quotes won't cut it; you need real-time data
- You do a lot of your research from your phone
- You want alerts and education.
- Paid from
- On request
- Free plan
- Yes
- Platforms
- Web, API
Best if
- You want regulatory filings monitoring.
Pick Listen Notes if
Listen Notes
Free • From $200/mo · Web · API · Mobile
- Delayed quotes won't cut it; you need real-time data
- You do a lot of your research from your phone
- You want alerts and education.
Pick OpenCorporates if
OpenCorporates
Free • Contact for pricing · Web · API
- You want regulatory filings monitoring.
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
Listen Notes and OpenCorporates cover a lot of the same ground (2 shared categories, APIs & data feeds and other), so for the basics you won't go far wrong with either. Listen Notes includes alerts and education, and OpenCorporates includes regulatory filings monitoring.
What readers say
Listen Notes
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Key differences at a glance
- Real-time data
- Listen Notes
- Mobile app
- Listen Notes
- Free plan
- Both
What Listen Notes does best
- Search the web product or API catalog, which the vendor reports holds about 3.8 million podcasts and 194 million episodes.
- Listen API v2 has REST endpoints, API-key authentication, OpenAPI files, a Postman workspace, and a mock server that needs no key.
- Podcast search, directory, analysis, batch-fetch, transcript, RSS, image, email, Listen Score, and Global Rank fields according to plan entitlements.
- Listen Alerts monitors keywords and sends a daily email or per-alert RSS feed.
- Purchasable podcast datasets exported by keyword, category, playlist, iTunes IDs, or full-database Enterprise scope, with CSV or SQLite delivery.
What OpenCorporates does best
- Search more than 200 million company records collected from official sources, with provenance and source links.
- Use a versioned REST API with API-key authentication and JSON or XML output for company and officer data.
- Match company names to legal identifiers with the OpenRefine Reconciliation API.
- Receive bulk CSV datasets through SFTP for companies, officers, addresses, alternative names, identifiers, and relationships.
- Map subsidiaries, branches, control statements, and shareholdings with the relationships dataset.
Side by side
Pricing comparison
See for yourself
Side by side
Price, platforms, data, and market coverage.ShowHide
Side by side
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • From $200/mo | Free • Contact for pricing |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | 7 limits: FREE: monthly requests: 150, FREE: search results per query: 30 +5 more | 9 limits: Essentials (API): api calls per month: 500, Essentials (API): api calls per day: 200 +7 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | Yes | No |
API access | Yes | Yes |
Broker sync | — | No |
Integrations | Zapier, IFTTT +1 more | 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: Real-time | Latency: End of Day and Granularity: EOD |
Security | Status page | Status page |
| Try it | Visit Listen Notes | Visit OpenCorporates |
Standout features
The best features of Listen Notes and OpenCorporates.ShowHide
Standout features
What Listen Notes does best
- Search the web product or API catalog, which the vendor reports holds about 3.8 million podcasts and 194 million episodes.
- Listen API v2 has REST endpoints, API-key authentication, OpenAPI files, a Postman workspace, and a mock server that needs no key.
- Podcast search, directory, analysis, batch-fetch, transcript, RSS, image, email, Listen Score, and Global Rank fields according to plan entitlements.
- Listen Alerts monitors keywords and sends a daily email or per-alert RSS feed.
- Purchasable podcast datasets exported by keyword, category, playlist, iTunes IDs, or full-database Enterprise scope, with CSV or SQLite delivery.
What OpenCorporates does best
- Search more than 200 million company records collected from official sources, with provenance and source links.
- Use a versioned REST API with API-key authentication and JSON or XML output for company and officer data.
- Match company names to legal identifiers with the OpenRefine Reconciliation API.
- Receive bulk CSV datasets through SFTP for companies, officers, addresses, alternative names, identifiers, and relationships.
- Map subsidiaries, branches, control statements, and shareholdings with the relationships dataset.
All details
Every attribute we track for Listen Notes and OpenCorporates.ShowHide
All details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Other | Other |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North AmericaEuropeAPACLatAmMiddle EastAfrica |
| Data | ||
Data freshness | Real-time | End of Day |
Data granularity | Not specified | EOD |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: APIKey | Auth: APIKey |
Integrations | ZapierIFTTTRSS | OpenRefine |
Export formats | CSVJSON | CSVJSON |
| Plans & trust | ||
Security & compliance | Status page | Status page |
Vendor & support | Listen Notes, Inc.Country: USFounded 2017Support: Email | OpenCorporates LtdCountry: United KingdomFounded 2010Support: Email |
Curation ratings | Methodology 4/5Reliability 4/5UX 4/5 | Not specified |
Green tags are exclusive to that tool in this comparison.
Pricing
Plans, billing, free trials, and monthly prices.ShowHide
Pricing
| Tier | ||
|---|---|---|
| Free plan | Freemonthly requests: 150 · search results per query: 30 · +2 more | Free“Free (personal & public-benefit use)” |
| Entry paid plan | $200/mo“PRO”included monthly requests: 5,000 · search results per query: 300 · +1 more | £225/mo“Essentials (API)”api calls per month: 500 · api calls per day: 200 · +1 more |
| Tier 2 | — | £660/mo“Starter (API)”api calls per month: 2,500 · api calls per day: 500 · +1 more |
| Top plan | — | £1200/mo“Basic (API)”api calls per month: 5,000 · api calls per day: 1,000 · +1 more |
| Custom / enterprise | Contact sales“ENTERPRISE” | Contact sales“Enterprise Bulk (SFTP CSV datasets)” |
Questions we keep getting
What's the difference between Listen Notes and OpenCorporates?
Listen Notes leans toward APIs & data feeds, alerts, and education, while OpenCorporates puts more weight on APIs & data feeds, regulatory filings monitoring, and other. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
How much do Listen Notes and OpenCorporates cost?
Good news: both Listen Notes and OpenCorporates have free plans, so you can run them side by side and only pay if you hit a wall.
Can I use Listen Notes or OpenCorporates on my phone?
Listen Notes 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 Listen Notes 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 Listen Notes or OpenCorporates?
It depends on what you're after. Pick Listen Notes if alerts and education matter to you; go with OpenCorporates if you'd rather have regulatory filings monitoring. And if you only need the basics both share, let price decide.
Does Listen Notes or OpenCorporates have real-time data?
Listen Notes 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 Listen Notes and OpenCorporates?
Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.
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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.