VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Wednesday, June 3, 2026
Tool Comparison · Wednesday, June 3, 2026
Koyfin vs Main Street Data
Koyfin vs Main Street Data: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.
Koyfin
Pickkoyfin.com
Best for etf screeners, and custom dashboards
- Pricing
- Free • From $39/mo
- Platforms
- Web, Mobile
Main Street Data
mainstreetdata.com
Best for stock comparison, and interest rates
- Pricing
- Free • Paid plans available
- Platforms
- Web
Outbound links may include affiliate or sponsor codes.
Comparison snapshot
Who should choose which?
Choose
Koyfin if…
- You need a mobile app for on-the-go research
- You need real-time data, not delayed quotes
- 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.
Choose
Main Street Data if…
- You need visual dashboards and customizable curated charts for listed companies.
- You need stock screener with simplified charting for fundamentals and performance.
- You need kpi library with 1,100+ company-specific operating metrics, over 10 years of history, and updates within hours of earnings releases (with retroactive adjustments for reporting changes).
- You need standardized financials sourced from finnhub (with financial modeling prep referenced in pricing materials). kpi data comes directly from sec filings and company reports.
Consider alternatives if…
- You want broader category coverage in one tool.
- Neither pricing tier fits your budget.
Side-by-side feature breakdown
| Attribute | Koyfin | Main Street Data |
|---|---|---|
Asset types | StocksETFsMutual FundsClosed-End FundsBondsCurrenciesCommoditiesFuturesCryptos | Stocks |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North AmericaEurope |
Data freshness | Real-time | End of Day |
API access | Not specified | Not specified |
Export formats | ImagePDF | Not specified |
Seen enough? Open either tool and try it now.
Pricing breakdown
Tool
Koyfin
$39/mo
Starting price
Plans & pricing
Tool
Main Street Data
$8.25/mo
Starting price
Plans & pricing
Coverage overlap
Categories where both tools offer overlapping coverage.
Categories covered by Koyfin only.
Categories covered by Main Street Data only.
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 Koyfin and Main Street Data?
Koyfin focuses on Screeners, ETF Screeners, and Data Visualizations while Main Street Data specializes in Screeners, Data Visualizations, and Stock Comparison. They overlap in 7 categories, so choose based on your preferred workflow and pricing.
How much do Koyfin and Main Street Data cost?
Good news—both Koyfin and Main Street Data offer free plans. You can try each platform without commitment and only pay when you need premium features.
Can I use Koyfin or Main Street Data on my phone?
Koyfin has a mobile app so you can check your research on the go. Main Street Data is web-only, so you'll need a browser to access it from mobile devices.
Should I choose Koyfin or Main Street Data?
Choose Koyfin if you need 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.. Go with Main Street Data if Visual dashboards and customizable curated charts for listed companies., and Stock screener with simplified charting for fundamentals and performance. better fits how you invest.
What asset classes do Koyfin and Main Street Data cover?
Both cover Stocks. Koyfin also includes ETFs, Mutual Funds, Closed-End Funds, Bonds, Currencies, Commodities, Futures, and Cryptos.
Does Koyfin or Main Street Data have real-time data?
Koyfin offers real-time data feeds, which is essential for active traders. Main Street Data uses delayed or end-of-day data, which works fine for longer-term investors who don't need up-to-the-second quotes.
Can Koyfin or Main Street Data connect to my broker?
Koyfin connects with brokers for portfolio syncing. Main Street Data requires manual portfolio entry or data import.
Which has a better stock screener—Koyfin or Main Street Data?
Both Koyfin and Main Street Data include stock screeners. Try each to see which filtering options and interface you prefer.
Can I track my portfolio with Koyfin or Main Street Data?
Koyfin offers portfolio tracking features. Main Street Data is more focused on research and analysis.
Other tools you might like
These profiles share overlapping coverage with both sides of this matchup.
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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.