VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

Friday, June 5, 2026

Tool Comparison · Friday, June 5, 2026

Fey vs Koyfin

Fey vs Koyfin: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.

Quick verdict
Fey logo

Fey

Pick

fey.com

Best for news sentiment, and improved filings

Pricing
Free • Paid plans available
Platforms
Desktop, Web
VS
Koyfin logo

Koyfin

Pick

koyfin.com

Best for etf screeners, and data visualizations

Pricing
Free • From $39/mo
Platforms
Web, Mobile

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Comparison snapshot

Attribute
Fey
Koyfin
Starting price
Free • Paid plans available
Free • From $39/mo
Categories covered
16
28
Web app
Yes
Yes
Mobile app
No
Yes
API access
No
No
Regions
North America
North America, Europe, APAC, LatAm, Middle East, Africa

Who should choose which?

Choose

Fey if…

  • You need finder (nlq): type ideas like “undervalued tech with insider buying” or “nancy pelosi portfolio”; fey turns this into an editable screen in ~2s (“like chatgpt meets bloomberg”).
  • You need earnings ‘at the speed of now’: instant press releases with **ai‑generated summaries** (~0.8s), live calls in‑app, transcripts and transcript summaries.
  • You need filings ‘analyze’: **on‑demand ai summaries** of 10‑k/10‑q with structured sections (revenue, strengths, challenges, risks) to read filings in ~2 minutes.
  • You need portfolio ‘analyze with ai’ (one click): benchmarks holdings, highlights factor tilts driving returns, flags strengths/risks, scans for mis-pricings (forecasts, price targets, valuation spreads), and prioritizes headlines that could actually move your p&l.

Choose

Koyfin if…

  • You need a mobile app for on-the-go research
  • You need web platform plus ios & android mobile apps; watchlists/portfolios sync with the web app.
  • You need multi-asset coverage spanning global equities and multiple macro/market datasets (e.g., etfs, bond yields/curves, fx, commodities, crypto), with news and transcripts.
  • You need advanced graphing with 100+ indicators/series (fundamentals, technicals, valuation, estimates/ratings), templates, total-return charts, scatter charts, and share/embed + downloads.

Consider alternatives if…

  • You want broader category coverage in one tool.
  • Neither pricing tier fits your budget.
See alternatives

Side-by-side feature breakdown

AttributeFeyKoyfin
Asset types
StocksETFs
StocksETFsMutual FundsClosed-End FundsBondsCurrenciesCommoditiesFuturesCryptos
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
North America
North AmericaEuropeAPACLatAmMiddle EastAfrica
Data freshness
Real-timeEnd of Day
Real-time
API access
Not specifiedNot specified
Export formats
Excel
ImagePDF

Seen enough? Open either tool and try it now.

Pricing breakdown

Pricing details

Tool

Fey

$25/mo

Starting price

Free tierYes
Free trial7 days

Plans & pricing

Monthly$30/mo
Yearly$25/mo
Students (.edu, US)Free

Tool

Koyfin

$39/mo

Starting price

Free tierYes
Free trial

Plans & pricing

FreeFree
Plus$39/mo
Premium$79/mo
Advisor Core$209/mo
Advisor Pro$299/mo
TeamsContact sales

Coverage overlap

Community category leaders

Vote sentiment comparison

Loading sentiment chart...

Still deciding? Get hands-on with both — most plans offer a free tier or trial.

Frequently Asked Questions

What's the difference between Fey and Koyfin?

Fey focuses on Screeners, Portfolio, and Watchlist while Koyfin specializes in Screeners, ETF Screeners, and Data Visualizations. They overlap in 9 categories, so choose based on your preferred workflow and pricing.

How much do Fey and Koyfin cost?

Good news—both Fey and Koyfin offer free plans. You can try each platform without commitment and only pay when you need premium features.

Can I use Fey or Koyfin on my phone?

Koyfin has a mobile app so you can check your research on the go. Fey is web-only, so you'll need a browser to access it from mobile devices.

Should I choose Fey or Koyfin?

Choose Fey if you need Finder (NLQ): type ideas like “undervalued tech with insider buying” or “Nancy Pelosi portfolio”; Fey turns this into an editable screen in ~2s (“Like ChatGPT meets Bloomberg”)., and Earnings ‘at the speed of now’: instant press releases with **AI‑generated summaries** (~0.8s), live calls in‑app, transcripts and transcript summaries.. Go with Koyfin if Web platform plus iOS & Android mobile apps; watchlists/portfolios sync with the web app., and Multi-asset coverage spanning global equities and multiple macro/market datasets (e.g., ETFs, bond yields/curves, FX, commodities, crypto), with news and transcripts. better fits how you invest.

What asset classes do Fey and Koyfin cover?

Both cover Stocks, and ETFs. Koyfin adds coverage for Mutual Funds, Closed-End Funds, Bonds, Currencies, Commodities, Futures, and Cryptos.

Do Fey and Koyfin offer real-time data?

Yes, both platforms provide real-time market data. This makes either suitable for active trading strategies where timing matters.

Can I export data from Fey and Koyfin?

Fey supports data exports to Excel. Koyfin has more limited export options.

Can Fey or Koyfin connect to my broker?

Both platforms offer broker integrations, so you can sync your portfolio for seamless tracking and analysis.

Which has a better stock screener—Fey or Koyfin?

Both Fey and Koyfin include stock screeners. Try each to see which filtering options and interface you prefer.

Can I track my portfolio with Fey or Koyfin?

Both platforms include portfolio tracking, so you can monitor your holdings, performance, and allocation in one place.

Top 50 Investing ToolsGlobal ranking of the best investing tools, ranked by community votes.

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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.