VOL. XCIV, NO. 247
BEST INVESTING TOOLS COMPARISON
Tool details checked August 23, 2026
Tool Comparison
OpenCorporates vs SentiSense
Pick OpenCorporates instead if
OpenCorporates
Free • Contact for pricing · Web · API
- You want other.
- You're newer to investing and want something approachable
Start here
SentiSense
Free • From $15/mo · Web · API
- Delayed quotes won't cut it; you need real-time data
- You want stock ideas, screeners, and data visualizations.
- You trade often and need tooling built for speed
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
OpenCorporates and SentiSense cover a lot of the same ground (2 shared categories, APIs & data feeds and regulatory filings monitoring), so for the basics you won't go far wrong with either. SentiSense simply does more: 22 categories to OpenCorporates's 3, including stock ideas, screeners, and data visualizations. OpenCorporates counters by being completely free.
What readers say
OpenCorporates
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SentiSense
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Key differences at a glance
- Real-time data
- SentiSense
- Broader coverage
- SentiSense22 vs 3 categories
- Global coverage
- OpenCorporates
- Beginner friendly
- OpenCorporates
- 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 • Contact for pricing | Free • From $15/mo |
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 | 18 limits: Free: api requests per month: 1,000, Free: rate limit per min: 30 +16 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | Yes | Yes |
Broker sync | No | No |
Integrations | OpenRefine | SentiSense REST API, SentiSense Python SDK +10 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Intermediate, Advanced |
Best for | — | Retail Traders, Pro Retail +7 more |
Categories covered | 3 | 22 |
Regions | North America, Europe, APAC, LatAm, Middle East, Africa | North America |
| Data & capabilities | ||
Data quality | Latency: End of Day and Granularity: EOD | Latency: Real-time and 15-min Delayed and Pricing: Vendor |
Data partners | — | 6 partners: TradingView, Polygon.io +4 more |
Capabilities | — | Universe builder and AI summaries: News |
Security | Status page | 3 signals: Data residency: US, Encryption at rest +1 more |
| Try it | Visit OpenCorporates | Visit SentiSense |
Where each one shines
What OpenCorporates and SentiSense each do best.ShowHide
Where each one shines
What OpenCorporates and SentiSense each do best.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.
What SentiSense does best
- The web app and REST API to combine market data, social sentiment, news clustering, institutional flow, insider trading, congressional trading, and AI analysis.
- Tracking SentiSense Score, a per-ticker sentiment signal blending news, Reddit, and X/Twitter context for stock discovery and crowd-conviction monitoring.
- Documents & News APIs for sentiment metrics across news articles, social posts, and AI-curated stories, subject to source-content restrictions.
- Review AI-curated story clusters with generated titles, sentiment, ticker badges, source aggregation, and impact scores.
- Market Mood as a 0-100 fear/greed-style index built from internal signals with historical views.
Every detail we compared
Every tracked attribute for OpenCorporates and SentiSense, side by side.ShowHide
Every detail we compared
Every tracked attribute for OpenCorporates and SentiSense, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Other | StocksETFsBondsOptions |
Experience | BeginnerIntermediateAdvanced | IntermediateAdvanced |
Target audience | Not specified | Retail TradersPro RetailDay TradersSwing TradersAlgo TradersAnalystsQuants/DevelopersHedge Funds+1 more |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North America |
Coverage details | Not specified | Countries: USIdentifiers: Ticker and CIK |
| Data | ||
Data freshness | End of Day | Real-time15-min Delayed |
Data granularity | EOD | Not specified |
Pricing sources | Not specified | Vendor |
Data partners | Not specified | TradingViewPolygon.ioSEC EDGARFINRACongressional STOCK Act disclosuresNews, Reddit, X/Twitter, Substack, Discord, and public social sources |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: APIKey | Auth: APIKeySDKs: Python and TSDocs |
Import methods | Not specified | Manual |
Integrations | OpenRefine | SentiSense REST APISentiSense Python SDKSentiSense JavaScript/TypeScript SDKSentiSense GitHub SDK repositoriesSentiSense MCP ConnectorAI Agent SkillClaude CodeCodex+4 more |
Export formats | CSVJSON | JSON |
| Plans & trust | ||
Security & compliance | Status page | Data residency: USEncryption at restEncryption in transit |
Capability signals | Not specified | Universe builderAI summaries: News |
Vendor & support | OpenCorporates LtdCountry: United KingdomFounded 2010Support: Email | Compass AI Data Services, LLCSupport: Email |
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 (personal & public-benefit use)” | Freeapi requests per month: 1,000 · rate limit per min: 30 · +8 more |
| Entry paid plan | £225/mo“Essentials (API)”api calls per month: 500 · api calls per day: 200 | $15/mo“PRO”rate limit per min: 300 · annual price usd: 144 · +6 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 Bulk (SFTP CSV datasets)” | — |
Questions we keep getting
What's the difference between OpenCorporates and SentiSense?
OpenCorporates leans toward APIs & data feeds, regulatory filings monitoring, and other, while SentiSense puts more weight on stock ideas, screeners, and data visualizations. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
How much do OpenCorporates and SentiSense cost?
Good news: both OpenCorporates and SentiSense have free plans, so you can run them side by side and only pay if you hit a wall.
Which is better for beginners: OpenCorporates or SentiSense?
OpenCorporates is the friendlier place to start; its interface takes less getting used to. Both work fine once you're past the basics.
Do OpenCorporates and SentiSense have APIs?
Yes, both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.
Should I choose OpenCorporates or SentiSense?
It depends on what you're after. Pick OpenCorporates if other matter to you; go with SentiSense if you'd rather have stock ideas and screeners. And if you only need the basics both share, let price decide.
What asset classes do OpenCorporates and SentiSense cover?
OpenCorporates covers other. SentiSense covers stocks, ETFs, and bonds.
Does OpenCorporates or SentiSense have real-time data?
SentiSense 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.
Which covers international markets: OpenCorporates or SentiSense?
OpenCorporates has documented international coverage (North America, Europe, APAC, LatAm, and more), so it's the safer bet if you hold non-US stocks. SentiSense is more region-specific, mainly North America.
Can I export data from OpenCorporates and SentiSense?
OpenCorporates exports to CSV. SentiSense is stingier about getting data out.
Is OpenCorporates or SentiSense better for day trading?
SentiSense is the one positioned more for active traders. OpenCorporates is the better fit if you care less about fast trading workflows and more about a calmer research process.
Which has a better stock screener: OpenCorporates or SentiSense?
SentiSense has a stock screener for surfacing ideas; OpenCorporates doesn't, and focuses its energy elsewhere.
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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.