Koyfin adds ETF Screeners, News, Alerts, ETF Overview, ETF Performance, ETF Holdings, ETF Overlap, ETF Fundamentals, ETF Valuation, Portfolio, Short Interest, and Dividends coverage that Main Street Data skips.
VOL. XCIV, NO. 247
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PRICE: 5 CENTS
Sunday, October 5, 2025
Head-to-head
Koyfin vs Main Street Data comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
Quick takeaways
Main Street Data includes Stock Comparison, Analyst Forecasts, and Interest Rates categories that Koyfin omits.
Koyfin highlights: Plan tiers: Free, Plus ($39/mo), Premium ($79/mo), Advisor Core ($209/mo), and Advisor Pro ($299/mo), with a published plan comparison., Global equities coverage with prices, financial statements, valuation, analyst estimates, filings, news, and transcripts. US quotes are live or 15-minute delayed, Canadian quotes are 15-minute delayed, and most international markets are end-of-day., and Stock Screener covering ~100,000 global equities with nearly 6,000 filter criteria. Results can be saved to watchlists or exported to CSV, though some data exports are restricted..
Main Street Data is known for: Visual dashboards and customizable curated charts for listed companies., Stock screener with simplified charting for fundamentals and performance., and 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)..
Koyfin ships a mobile app. Main Street Data is web/desktop only.
Koyfin
koyfin.com
Editor’s pick Hands-on review
Global market analytics platform combining screeners, financials, charting, news, and portfolio tools. US equity data is a mix of live and 15-minute delayed quotes, Canada is delayed 15 minutes, and other markets are end-of-day. CSV exports are available, but certain fields such as detailed financials and analyst estimates are restricted. Advisor plans add client portfolio management, custodian integrations, and professional reporting. Options functionality is announced but not yet live.
Categories
Platforms
Web
Mobile
Pricing
Free
Subscription
Quick highlights
- Plan tiers: Free, Plus ($39/mo), Premium ($79/mo), Advisor Core ($209/mo), and Advisor Pro ($299/mo), with a published plan comparison.
- Global equities coverage with prices, financial statements, valuation, analyst estimates, filings, news, and transcripts. US quotes are live or 15-minute delayed, Canadian quotes are 15-minute delayed, and most international markets are end-of-day.
- Stock Screener covering ~100,000 global equities with nearly 6,000 filter criteria. Results can be saved to watchlists or exported to CSV, though some data exports are restricted.
- Custom Formulas & Calculations for table columns. Limits vary by plan: Free (1), Plus (up to 10), Premium (unlimited).
- Mobile apps for iOS and Android with synced watchlists, price alerts, and access to core features.
Community votes (overall)
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Main Street Data
mainstreetdata.com
Hands-on review
Visual-first stock research platform with two tiers: Starter (free) includes curated charts, 10 years of financials, basic charting, and an earnings calendar. The Plus plan ($468/year) adds a KPI library, 30+ years of financial data, advanced charting, company comparisons, call transcripts, analyst estimates, calendar sync, curated groups, and multiple watchlists.
Categories
Platforms
Web
Pricing
Free
Subscription
Quick highlights
- Visual dashboards and customizable curated charts for listed companies.
- Stock screener with simplified charting for fundamentals and performance.
- 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).
- Standardized financials sourced from Finnhub (with Financial Modeling Prep referenced in pricing materials). KPI data comes directly from SEC filings and company reports.
- Earnings calendar included in the free plan; calendar sync available in Plus.
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Overlap
Shared focus areas
6 overlapsMutual strengths include Screeners, Data Visualizations, and Calendar plus 3 more areas.
Where they differ
Koyfin
Distinct strengths include:
- Plan tiers: Free, Plus ($39/mo), Premium ($79/mo), Advisor Core ($209/mo), and Advisor Pro ($299/mo), with a published plan comparison.
- Global equities coverage with prices, financial statements, valuation, analyst estimates, filings, news, and transcripts. US quotes are live or 15-minute delayed, Canadian quotes are 15-minute delayed, and most international markets are end-of-day.
- Stock Screener covering ~100,000 global equities with nearly 6,000 filter criteria. Results can be saved to watchlists or exported to CSV, though some data exports are restricted.
- Custom Formulas & Calculations for table columns. Limits vary by plan: Free (1), Plus (up to 10), Premium (unlimited).
Main Street Data
Distinct strengths include:
- Visual dashboards and customizable curated charts for listed companies.
- Stock screener with simplified charting for fundamentals and performance.
- 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).
- Standardized financials sourced from Finnhub (with Financial Modeling Prep referenced in pricing materials). KPI data comes directly from SEC filings and company reports.
Feature-by-feature breakdown
| Attribute | Koyfin | Main Street Data |
|---|---|---|
Categories Which research workflows each platform targets | Shared: Screeners, Data Visualizations, Calendar, Financials, Transcripts, Watchlist Unique: ETF Screeners, News, Alerts, ETF Overview, ETF Performance, ETF Holdings, ETF Overlap, ETF Fundamentals, ETF Valuation, Portfolio, Short Interest, Dividends | Shared: Screeners, Data Visualizations, Calendar, Financials, Transcripts, Watchlist Unique: Stock Comparison, Analyst Forecasts, Interest Rates |
Asset types Supported asset classes and universes | Stocks, ETFs, Mutual Funds, Closed-End Funds, Bonds, Commodities, Currencies, Cryptos | Stocks |
Experience levels Who each product is built for | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Platforms Where you can access the product | Web, Mobile | Web |
Pricing High-level pricing models | Free, Subscription | Free, Subscription |
Key features Core capabilities called out by each vendor | Unique
| Unique
|
Tested Verified by hands-on testing inside Find My Moat | Yes | Yes |
Editor pick Featured inside curated shortlists | Highlighted | Standard listing |
Frequently Asked Questions
Which workflows do Koyfin and Main Street Data both support?
Both platforms cover Screeners, Data Visualizations, Calendar, Financials, Transcripts, and Watchlist workflows, so you can research those use cases in either tool before digging into the feature differences below.
Do Koyfin and Main Street Data require subscriptions?
Both Koyfin and Main Street Data keep freemium access with optional paid upgrades, so you can trial each platform before committing.
Which tool has mobile access?
Koyfin ships a dedicated mobile experience, while Main Street Data focuses on web or desktop access.
What unique strengths set the two platforms apart?
Koyfin differentiates itself with Plan tiers: Free, Plus ($39/mo), Premium ($79/mo), Advisor Core ($209/mo), and Advisor Pro ($299/mo), with a published plan comparison., Global equities coverage with prices, financial statements, valuation, analyst estimates, filings, news, and transcripts. US quotes are live or 15-minute delayed, Canadian quotes are 15-minute delayed, and most international markets are end-of-day., and Stock Screener covering ~100,000 global equities with nearly 6,000 filter criteria. Results can be saved to watchlists or exported to CSV, though some data exports are restricted., whereas Main Street Data stands out for Visual dashboards and customizable curated charts for listed companies., Stock screener with simplified charting for fundamentals and performance., and 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)..
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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.