★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
FOIAsearch vs Koyfin
FOIAsearch
Best for regulatory filings monitoring and flags
Free • Paid plans available
Koyfin
Best for screeners and ETF screeners
Free • From $39/mo
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The verdict
The bottom line
FOIAsearch and Koyfin cover a lot of the same ground (2 shared categories, alerts and watchlist), so for the basics you won't go far wrong with either. Koyfin simply does more: 19 categories to FOIAsearch's 4, including screeners, ETF screeners, and data visualizations, plus a mobile app. FOIAsearch counters by being completely free.
Key differences at a glance
- Mobile app
- Koyfin
- Broader coverage
- Koyfin19 vs 4 categories
- Real-time data
- Koyfin
- Global coverage
- Koyfin
- Asset coverage
- KoyfinAdds ETFs and mutual funds
- Free plan
- Both
Choose
FOIAsearch if…
- You care about regulatory filings monitoring and flags, things Koyfin doesn't offer
Choose
Koyfin if…
- You do a lot of your research from your phone
- Delayed quotes won't cut it; you need real-time data
- You care about screeners, ETF screeners, and data visualizations, things FOIAsearch doesn't offer
Comparison snapshot
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • Paid plans available | Free • From $39/mo |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | — | 18 limits: Free: watchlists: 2, Free: screens: 2 +16 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | Yes |
API access | No | No |
Broker sync | — | Yes |
Integrations | — | Schwab, Altruist +6 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | Retail Traders, Pro Retail +6 more |
Categories covered | 4 | 19 |
Regions | North America | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | Latency: End of Day and Granularity: EOD | Latency: Real-time and Adjustments: TotalReturn |
Data partners | — | 6 partners: S&P Global Market Intelligence, Morningstar +4 more |
Capabilities | — | 7 signals: Universe builder, Broker sync +5 more |
Security | — | Data residency: US |
| Try it | Visit FOIAsearch | Visit Koyfin |
Standout features
What FOIAsearch does best
- Unified search of SEC FOIA Logs with lists for ‘All Requests’ and ‘B7A Exempt Requests’.
- ‘Protect My Portfolio’ email alerts on FOIA activity tied to saved companies/tickers.
- ‘IR Watch’ alerts when hedge funds, research firms, or reporters FOIA your company (IR use‑case).
- Monthly ‘Prominent Reporter Alerts’ to see what journalists are requesting before stories publish.
- B7A (FOIA Exemption 7(A)) call‑outs; academic work shows B7A denials are predictive of ongoing/future SEC investigations.
What Koyfin does best
- Web platform plus iOS & Android mobile apps; watchlists/portfolios sync with the web app.
- Multi-asset coverage spanning global equities and multiple macro/market datasets (e.g., ETFs, bond yields/curves, FX, commodities, crypto), with news and transcripts.
- Advanced graphing with 100+ indicators/series (fundamentals, technicals, valuation, estimates/ratings), templates, total-return charts, scatter charts, and share/embed + downloads.
- Financial Analysis pages: highlights from income/balance sheet/cash-flow plus customizable Financial Analysis templates (paid tiers).
- Alerts for price/valuation/technical signals and for news/filings/transcripts; notifications on desktop, email, and mobile push.
Data & access details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Stocks | StocksETFsMutual FundsClosed-End FundsBondsCurrenciesCommoditiesFutures+1 more |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Not specified | Retail TradersPro RetailInstitutional InvestorsAnalystsAsset ManagersFinancial AdvisorsRIAs / Wealth FirmsStudents/Researchers |
Regions | North America | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Coverage details | Countries: US | Identifiers: Ticker |
| Data | ||
Data freshness | End of Day | Real-time |
Data granularity | EOD | Not specified |
Data partners | Not specified | S&P Global Market IntelligenceMorningstarFREDTrading EconomicsTrueFXPolygon.io |
| Access & integrations | ||
Import methods | Not specified | ManualCSVCustodian |
Integrations | Not specified | SchwabAltruistTradePMRInteractive BrokersBlack DiamondOrionFidelityAddepar |
Export formats | Not specified | ImagePDF |
| Plans & trust | ||
Security & compliance | Not specified | Data residency: US |
Capability signals | Not specified | Universe builderBroker syncYield curvesAI summaries: TranscriptsHouseholdingModel portfoliosClient reporting |
Vendor & support | Dorsey Research LLCSupport: Email | Koyfin, Inc.Country: United StatesFounded 2016Support: Email |
Curation ratings | Methodology 3/5Reliability 3/5UX 4/5 | Not specified |
Green tags are exclusive to that tool in this comparison.
Pricing breakdown
Free
Lower starting price
Plans & pricing
$39/mo
Starting price
Plans & pricing
- watchlists: 2
- screens: 2
- +3 more
- financials years: 10
- estimates years: 10
- +4 more
- custom securities: Unlimited
- reports per month: 10
- custodian integrations: 1
- +1 more
- reports per month: 200
- custodian integrations: Multiple
- +1 more
Coverage overlap
FOIAsearch strengths
2What you only get with FOIAsearch.
Community category leaders
Vote sentiment comparison
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Frequently Asked Questions
What's the difference between FOIAsearch and Koyfin?
FOIAsearch leans toward alerts, regulatory filings monitoring, and watchlist, while Koyfin puts more weight on screeners, ETF screeners, and data visualizations. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
How much do FOIAsearch and Koyfin cost?
Good news: both FOIAsearch and Koyfin have free plans, so you can run them side by side and only pay if you hit a wall.
Can I use FOIAsearch or Koyfin on my phone?
Koyfin lists a dedicated mobile app, so it travels better. FOIAsearch doesn't list a dedicated mobile app; its documented access is web.
Should I choose FOIAsearch or Koyfin?
It depends on what you're after. Pick FOIAsearch if regulatory filings monitoring and flags matter to you; go with Koyfin if you'd rather have screeners and ETF screeners. And if you only need the basics both share, let price decide.
What asset classes do FOIAsearch and Koyfin cover?
Both cover stocks. Koyfin adds ETFs, mutual funds, and closed-end funds on top.
Does FOIAsearch or Koyfin have real-time data?
Koyfin offers real-time data, which matters if you trade actively. FOIAsearch 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: FOIAsearch or Koyfin?
Koyfin has documented international coverage (North America, Europe, APAC, LatAm, and more), so it's the safer bet if you hold non-US stocks. FOIAsearch is more region-specific, mainly North America.
Which has a better stock screener: FOIAsearch or Koyfin?
Koyfin has a stock screener for surfacing ideas; FOIAsearch doesn't, and focuses its energy elsewhere.
Can I track my portfolio with FOIAsearch or Koyfin?
Koyfin handles portfolio tracking. FOIAsearch is really a research tool; you'd track your portfolio 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.