VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Thursday, February 19, 2026
Tool Comparison
Koyfin vs Marketstack comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
Koyfin
koyfin.com
At a glance
Tool
Koyfin
$39/mo
Starting price
Plans & pricing
Tool
Marketstack
$9.99/mo
Starting price
Plans & pricing
Vote sentiment comparison
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Platform details
| Attribute | Koyfin | Marketstack |
|---|---|---|
Asset types | StocksETFsMutual FundsClosed-End FundsBondsCurrenciesCommoditiesFuturesCryptos | StocksETFsBondsCommoditiesOther |
Experience | BeginnerIntermediateAdvanced | IntermediateAdvanced |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Data freshness | Real-time | End of DayReal-time |
API access | Not specified | REST |
Export formats | ImagePDF | Not specified |
Coverage overlap
Categories where both tools offer overlapping coverage.
Categories covered by Koyfin only.
Frequently Asked Questions
What's the difference between Koyfin and Marketstack?
Koyfin focuses on Screeners, ETF Screeners, and Data Visualizations while Marketstack specializes in Data APIs, Dividends, and Splits. They overlap in 3 categories, so choose based on your preferred workflow and pricing.
How much do Koyfin and Marketstack cost?
Good news—both Koyfin and Marketstack offer free plans. You can try each platform without commitment and only pay when you need premium features.
Which is better for beginners—Koyfin or Marketstack?
Koyfin is more beginner-friendly with an approachable interface. Both can work for intermediate users.
Can I use Koyfin or Marketstack on my phone?
Koyfin has a mobile app so you can check your research on the go. Marketstack is web-only, so you'll need a browser to access it from mobile devices.
Does Koyfin or Marketstack have an API?
Marketstack provides API access for programmatic data retrieval and custom integrations. Koyfin doesn't currently offer an API, so you'll need to use their web interface.
Should I choose Koyfin or Marketstack?
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 Marketstack if Pricing tiers with monthly request limits (Free: 100/mo; Basic: 10k/mo; Professional: 100k/mo; Business: 500k/mo; Enterprise: custom)., and V2 REST/JSON API for end-of-day (EOD) prices with adjusted fields for splits/dividends (e.g., `split_factor`, `dividend`). better fits how you invest.
What asset classes do Koyfin and Marketstack cover?
Both cover Stocks, ETFs, Bonds, and Commodities. Koyfin also includes Mutual Funds, Closed-End Funds, Currencies, Futures, and Cryptos. Marketstack adds coverage for Other.
Do Koyfin and Marketstack offer real-time data?
Yes, both platforms provide real-time market data. This makes either suitable for active trading strategies where timing matters.
Can Koyfin or Marketstack connect to my broker?
Koyfin connects with brokers for portfolio syncing. Marketstack requires manual portfolio entry or data import.
Which has a better stock screener—Koyfin or Marketstack?
Koyfin includes a stock screener for finding investment ideas. Marketstack focuses on other analytical tools.
Can I track my portfolio with Koyfin or Marketstack?
Koyfin offers portfolio tracking features. Marketstack 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.