★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
Listen Notes vs OpenCorporates
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 care about alerts and education, things OpenCorporates doesn't offer
Pick OpenCorporates if
OpenCorporates
Free • Contact for pricing · Web · API
- You care about regulatory filings monitoring, something Listen Notes doesn't offer
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. The real difference is focus: only Listen Notes gives you alerts and education, and only OpenCorporates gives you regulatory filings monitoring.
What readers say
Listen Notes
Vote once to reveal the community verdict.
OpenCorporates
Vote once to reveal the community verdict.
Key differences at a glance
- Real-time data
- Listen Notes
- Mobile app
- Listen Notes
- 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 • From $200/mo | 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 |
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 |
Where each one shines
What Listen Notes and OpenCorporates each do best.ShowHide
Where each one shines
What Listen Notes and OpenCorporates each do best.What Listen Notes does best
- Search tools across a large podcast catalog through the web product or Podcast API, with about 3.78M podcasts and 190.6M episodes in current API pricing copy.
- Tools for building with the Listen API v2 using REST endpoints, API-key authentication, official client libraries, OpenAPI documentation, and mock-server testing.
- Podcast search, directory, insights, batch-fetch, transcript, RSS, image, email, Listen Score, and Global Rank fields according to plan entitlements.
- Monitoring keywords with Listen Alerts, including daily email digests, per-alert RSS feeds, and Zapier, IFTTT, RSS, Slack, Trello, or Airtable-style workflows.
- 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 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 Listen Notes and OpenCorporates, side by side.ShowHide
Every detail we compared
Every tracked attribute for Listen Notes 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 | Real-time | End of Day |
Data granularity | Not specified | EOD |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: APIKeySDKs: Python and Go | 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.
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 | $200/mo“PRO” | £225/mo“Essentials (API)”api calls per month: 500 · api calls per day: 200 |
| Tier 2 | Subscription“ENTERPRISE” | £660/mo“Starter (API)”api calls per month: 2,500 · api calls per day: 500 · +1 more |
| Top plan | One-time“Datasets (Self‑service)” | £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 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.
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.