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Free Alternatives to Marketstack

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Free Alternatives to Marketstack

Zero-cost replacements ranked by category overlap, pricing, and platform access. Use this list to test Marketstack before paying for another subscription.

Switching from Marketstack doesn't have to cost a thing. We've curated 20 free-tier alternatives that cover similar workflows, from Dividends to Analyst Price Targets and beyond. Each pick below is ranked by how closely it matches Marketstack's category footprint—so you can trial replacements without opening your wallet.

View all alternatives
Alternatives20Curated picks
Free Options20With free tiers
Avg. Overlap72%Category match
Mobile Ready13Native apps

Quick takeaways

GuruFocus is the closest drop-in replacement with overlapping coverage in Data APIs, Dividends, and Splits while adding Stock Ideas and Screeners coverage and Global value-investing research platform with historical financial and valuation data, screeners, charts, comparisons, institutional-investor trading histories, executive trading histories, market valuation data, economic indicators, and industry indicators. and Large global coverage footprint: GuruFocus says it serves more than 1 million users worldwide, covers 100,000 stocks in 100 markets, tracks 8,000+ institutional investors’ trading histories, and tracks 15,000+ mutual fund holdings; API documentation separately describes 60,000+ companies across 9 regions. features (category overlap ~100%).

Every pick keeps a free tier; start with GuruFocus, Financial Modeling Prep (FMP), and Fiscal.ai to road-test Marketstack workflows without paying up front.

Need mobile access? GuruFocus, TipRanks, and Stock Analysis bring phone-ready workflows that Marketstack lacks.

Round out your stack with new coverage areas like Stock Ideas, Screeners, ETF Screeners, and Top Analysts.

#1 Alternative

Free Tier
Similarity score 1340Category overlap: 100%

Shared coverage

Data APIsDividendsSplitsETF HoldingsAnalyst RecommendationsAnalyst Price Targets

Assets: Stocks, ETFs, and Bonds

Experience: Intermediate and Advanced

Platforms: Web and API

Pricing: Free and Subscription

Why investors switch

  • GuruFocus adds mobile access for on-the-go monitoring.
  • Expands into Stock Ideas, Screeners, and ETF Screeners coverage beyond what Marketstack offers.
  • Standout features include Global value-investing research platform with historical financial and valuation data, screeners, charts, comparisons, institutional-investor trading histories, executive trading histories, market valuation data, economic indicators, and industry indicators., Large global coverage footprint: GuruFocus says it serves more than 1 million users worldwide, covers 100,000 stocks in 100 markets, tracks 8,000+ institutional investors’ trading histories, and tracks 15,000+ mutual fund holdings; API documentation separately describes 60,000+ companies across 9 regions., and All-in-One Screener with 500+ filters across fundamentals, valuation, profitability, growth, dividends, guru holdings, insider trades, predefined value screens, custom filters, saved screens, downloadable results, and portfolio workflow integration..

Adds coverage: Stock Ideas, Screeners, ETF Screeners, and Top Analysts

Standout features: Global value-investing research platform with historical financial and valuation data, screeners, charts, comparisons, institutional-investor trading histories, executive trading histories, market valuation data, economic indicators, and industry indicators., Large global coverage footprint: GuruFocus says it serves more than 1 million users worldwide, covers 100,000 stocks in 100 markets, tracks 8,000+ institutional investors’ trading histories, and tracks 15,000+ mutual fund holdings; API documentation separately describes 60,000+ companies across 9 regions., All-in-One Screener with 500+ filters across fundamentals, valuation, profitability, growth, dividends, guru holdings, insider trades, predefined value screens, custom filters, saved screens, downloadable results, and portfolio workflow integration., and Screener backtesting for more than 80 countries, with U.S. backtests starting January 1, 2006 and non-U.S. country backtests generally starting January 1, 2016; parameters include stock count, ranking metric, sort order, start/end date, and rebalance frequency.

#2 Alternative

Hands-on TestedFree Tier
Similarity score 1336Category overlap: 100%

Shared coverage

Data APIsDividendsSplitsETF HoldingsAnalyst RecommendationsAnalyst Price Targets

Assets: Stocks, ETFs, and Commodities

Experience: Intermediate and Advanced

Platforms: Web and API

Pricing: Free and Subscription

Why investors switch

  • Expands into Screeners, News, and Calendar coverage beyond what Marketstack offers.
  • Standout features include Multi‑asset data coverage via a single API: equities, ETFs, mutual funds, indexes, forex, crypto, commodities, macroeconomic indicators, ESG and ownership datasets, organized into Market Data, Fundamental & Company Data, News & Calendar Data, Advanced Data, Ownership and Other Markets., Real‑time quotes plus intraday (1‑minute, 5‑minute, 30‑minute, 1‑hour) and end‑of‑day historical bars for stocks and other assets; Premium and Ultimate tiers add intraday chart endpoints, technical indicators and up to 30+ years of history, with Ultimate including 1‑minute intraday charting and full historical access., and Fundamental statement APIs with audited, standardized and as‑reported income statements, balance sheets and cash‑flow statements (annual, quarterly and TTM), plus key metrics, ratios, financial scores, enterprise values and product/geographic segment revenue breakdowns..

Adds coverage: Screeners, News, Calendar, and IPO

Standout features: Multi‑asset data coverage via a single API: equities, ETFs, mutual funds, indexes, forex, crypto, commodities, macroeconomic indicators, ESG and ownership datasets, organized into Market Data, Fundamental & Company Data, News & Calendar Data, Advanced Data, Ownership and Other Markets., Real‑time quotes plus intraday (1‑minute, 5‑minute, 30‑minute, 1‑hour) and end‑of‑day historical bars for stocks and other assets; Premium and Ultimate tiers add intraday chart endpoints, technical indicators and up to 30+ years of history, with Ultimate including 1‑minute intraday charting and full historical access., Fundamental statement APIs with audited, standardized and as‑reported income statements, balance sheets and cash‑flow statements (annual, quarterly and TTM), plus key metrics, ratios, financial scores, enterprise values and product/geographic segment revenue breakdowns., and Built‑in valuation and advanced metrics including DCF models, owner earnings and other formula‑based indicators documented in the Financial Formulas section, with a Custom DCF Calculator and Advanced Market Metrics (e.g., sector performance, technical indicators) available on higher‑tier plans.

#3 Alternative

Analyst PickHands-on TestedFree Tier
Similarity score 1230Category overlap: 100%

Shared coverage

Data APIsDividendsSplitsETF HoldingsAnalyst RecommendationsAnalyst Price Targets

Assets: Stocks and ETFs

Experience: Intermediate and Advanced

Platforms: Web and API

Pricing: Free and Subscription

Why investors switch

  • Expands into Stock Ideas, Screeners, and Stock Comparison coverage beyond what Marketstack offers.
  • Standout features include Modern web-based research terminal with dashboards, customizable watchlists, portfolio views, and visualizations across global stocks, ETFs, mutual funds, and funds., Deep fundamentals and segment/KPI coverage, including proprietary KPI feeds for ~2,250+ companies and history depth that scales with plan tier., and AI Copilot for conversational research plus AI summaries and AI-generated reports, designed to speed up earnings, filings, and peer comparisons..

Adds coverage: Stock Ideas, Screeners, Stock Comparison, and Data Visualizations

Standout features: Modern web-based research terminal with dashboards, customizable watchlists, portfolio views, and visualizations across global stocks, ETFs, mutual funds, and funds., Deep fundamentals and segment/KPI coverage, including proprietary KPI feeds for ~2,250+ companies and history depth that scales with plan tier., AI Copilot for conversational research plus AI summaries and AI-generated reports, designed to speed up earnings, filings, and peer comparisons., and Integrated analyst data (forward estimates, revisions, ratings, and price targets) aligned with standardized and adjusted metrics.

#4 Alternative

Free Tier
Similarity score 1190Category overlap: 100%

Shared coverage

Data APIsDividendsSplitsETF HoldingsAnalyst RecommendationsAnalyst Price Targets

Assets: Stocks and ETFs

Experience: Intermediate and Advanced

Platforms: Web and API

Pricing: Subscription

Why investors switch

  • Expands into Options & Derivatives, News, and Financials coverage beyond what Marketstack offers.
  • Standout features include REST API with JSON output and WebSocket streaming for real-time market data., SDKs and examples are available through Intrinio documentation and GitHub; the published OpenAPI spec underpins generated SDKs and docs., and US fundamentals: standardized and as-reported data back to 2006, sourced from SEC filings, updated in real time as filings arrive..

Adds coverage: Options & Derivatives, News, Financials, and Institutional Data

Standout features: REST API with JSON output and WebSocket streaming for real-time market data., SDKs and examples are available through Intrinio documentation and GitHub; the published OpenAPI spec underpins generated SDKs and docs., US fundamentals: standardized and as-reported data back to 2006, sourced from SEC filings, updated in real time as filings arrive., and Equity prices: IEX real-time, Nasdaq Basic, 15-minute delayed SIP, and CBOE One delayed; end-of-day history spans 50+ years with dividend/split adjustments.

#5 Alternative

Analyst PickHands-on TestedFree Tier
Similarity score 1155Category overlap: 83%

Shared coverage

Data APIsDividendsSplitsAnalyst RecommendationsAnalyst Price Targets

Assets: Stocks, ETFs, and Commodities

Experience: Intermediate and Advanced

Platforms: Web and API

Pricing: Free and Subscription

Why investors switch

  • TipRanks adds mobile access for on-the-go monitoring.
  • Expands into Stock Ideas, Top Analysts, and Screeners coverage beyond what Marketstack offers.
  • Standout features include Tracks and measures performance of financial experts (analysts, bloggers, hedge funds, and corporate insiders) to help investors evaluate who to trust., Smart Score: proprietary quantitative stock score (1–10) based on 8 factors (analyst ratings, insider transactions, blogger opinions, individual investor sentiment, hedge fund activity, news sentiment, technicals, fundamentals)., and AI Stock Analysis: automated report that analyzes financial statements, earnings call transcripts, SEC 8‑K filings, technical indicators and market sentiment to generate an AI score and price target; includes strengths/risks, peer comparison, and corporate-event summaries..
  • Pair it with Marketstack if you still need ETF Holdings.

Adds coverage: Stock Ideas, Top Analysts, Screeners, and ETF Screeners

Standout features: Tracks and measures performance of financial experts (analysts, bloggers, hedge funds, and corporate insiders) to help investors evaluate who to trust., Smart Score: proprietary quantitative stock score (1–10) based on 8 factors (analyst ratings, insider transactions, blogger opinions, individual investor sentiment, hedge fund activity, news sentiment, technicals, fundamentals)., AI Stock Analysis: automated report that analyzes financial statements, earnings call transcripts, SEC 8‑K filings, technical indicators and market sentiment to generate an AI score and price target; includes strengths/risks, peer comparison, and corporate-event summaries., and Stock/ETF research workflow includes analyst forecasts/consensus & price targets plus pages/tabs for news/insights, dividends, earnings, ownership, financials, and technical analysis (example: AAPL).

#6 Alternative

Analyst PickHands-on TestedFree Tier
Similarity score 1127Category overlap: 83%

Shared coverage

DividendsSplitsETF HoldingsAnalyst RecommendationsAnalyst Price Targets

Assets: Stocks, ETFs, and Other

Experience: Intermediate and Advanced

Platforms: Web

Pricing: Free and Subscription

Why investors switch

  • Stock Analysis adds mobile access for on-the-go monitoring.
  • Expands into Stock Ideas, Screeners, and ETF Screeners coverage beyond what Marketstack offers.
  • Standout features include Research coverage for 130,000+ global stocks and funds, including stock prices, financials, forecasts, charts, news, and all S&P 500 companies., Public stock research pages include quote data, overview metrics, company profile, financial statements, ratios/KPIs, statistics, metrics, dividends, price history, analyst forecasts, analyst ratings, price targets, and news., and Screening tools include stock, ETF, IPO, and mutual-fund screeners; the stock screener supports country/exchange selection, saved screens, filters, indicators, watchlist actions, and downloadable tables..
  • Pair it with Marketstack if you still need Data APIs.

Adds coverage: Stock Ideas, Screeners, ETF Screeners, and Top Analysts

Standout features: Research coverage for 130,000+ global stocks and funds, including stock prices, financials, forecasts, charts, news, and all S&P 500 companies., Public stock research pages include quote data, overview metrics, company profile, financial statements, ratios/KPIs, statistics, metrics, dividends, price history, analyst forecasts, analyst ratings, price targets, and news., Screening tools include stock, ETF, IPO, and mutual-fund screeners; the stock screener supports country/exchange selection, saved screens, filters, indicators, watchlist actions, and downloadable tables., and ETF and fund analysis includes ETF screener, ETF comparison, ETF providers/new launches, ETF holdings, mutual-fund screener, fund performance data, and holdings/count data for mutual funds.

#7 Alternative

Free Tier
Similarity score 1079Category overlap: 67%

Shared coverage

DividendsSplitsAnalyst RecommendationsAnalyst Price Targets

Assets: Stocks, ETFs, and Bonds

Experience: Intermediate and Advanced

Platforms: Web

Pricing: Free and Subscription

Why investors switch

  • Investing.com adds mobile access for on-the-go monitoring.
  • Expands into Stock Ideas, Screeners, and Stock Comparison coverage beyond what Marketstack offers.
  • Standout features include Global financial portal covering stocks, indices, commodities, currencies, ETFs, bonds, funds, cryptocurrencies, futures, options, interest rates, and economic indicators., Large global coverage footprint: Investing.com says the platform is available in 44 language editions, covers 250 exchanges, and tracks more than 300,000 financial instruments., and Free web and mobile apps with quotes, charts, watchlists, alerts, market news, economic calendars, portfolios, and calculators..
  • Pair it with Marketstack if you still need Data APIs and ETF Holdings.

Adds coverage: Stock Ideas, Screeners, Stock Comparison, and Data Visualizations

Standout features: Global financial portal covering stocks, indices, commodities, currencies, ETFs, bonds, funds, cryptocurrencies, futures, options, interest rates, and economic indicators., Large global coverage footprint: Investing.com says the platform is available in 44 language editions, covers 250 exchanges, and tracks more than 300,000 financial instruments., Free web and mobile apps with quotes, charts, watchlists, alerts, market news, economic calendars, portfolios, and calculators., and Mobile app support for iOS, iPad, Apple Watch, and Android; Investing.com says its apps have 50M+ downloads, and the iOS listing describes live quotes/charts across 100,000+ instruments.

#8 Alternative

Hands-on TestedFree Tier
Similarity score 1053Category overlap: 83%

Shared coverage

DividendsSplitsETF HoldingsAnalyst RecommendationsAnalyst Price Targets

Assets: Stocks and ETFs

Experience: Intermediate and Advanced

Platforms: Web

Pricing: Free and Subscription

Why investors switch

  • Nasdaq.com adds mobile access for on-the-go monitoring.
  • Expands into Screeners, Portfolio, and Watchlist coverage beyond what Marketstack offers.
  • Standout features include Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link., Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics., and Options chains enhanced with Greeks such as Delta, Gamma, and Vega..
  • Pair it with Marketstack if you still need Data APIs.

Adds coverage: Screeners, Portfolio, Watchlist, and News

Standout features: Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link., Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics., Options chains enhanced with Greeks such as Delta, Gamma, and Vega., and Dedicated pages for short interest, insider transactions, and institutional holdings (13F).

#9 Alternative

Free Tier
Similarity score 1035Category overlap: 67%

Shared coverage

Data APIsDividendsSplitsETF Holdings

Assets: Stocks, ETFs, and Commodities

Experience: Intermediate and Advanced

Platforms: Web and API

Pricing: Free and Subscription

Why investors switch

  • Expands into APIs & SDKs, Sheets / Excel Add-ins, and Quant coverage beyond what Marketstack offers.
  • Standout features include REST API for real-time and historical stock market data, company financial statements, insider and institutional trading data, earnings releases, and other financial datasets., Coverage across US and international markets, including equities, indices, funds, derivatives, OTC securities, crypto, forex, and commodities., and Pricing dataset table advertises 252,000+ tickers across 20+ exchanges, with symbols for stocks, ETFs, commodities, OTC securities, indices, options, futures, crypto, forex, and mutual funds..
  • Pair it with Marketstack if you still need Analyst Recommendations and Analyst Price Targets.

Adds coverage: APIs & SDKs, Sheets / Excel Add-ins, Quant, and News

Standout features: REST API for real-time and historical stock market data, company financial statements, insider and institutional trading data, earnings releases, and other financial datasets., Coverage across US and international markets, including equities, indices, funds, derivatives, OTC securities, crypto, forex, and commodities., Pricing dataset table advertises 252,000+ tickers across 20+ exchanges, with symbols for stocks, ETFs, commodities, OTC securities, indices, options, futures, crypto, forex, and mutual funds., and Historical data coverage varies by endpoint: homepage messaging says over 20 years overall; the pricing table lists end-of-day prices since 2015, company/fundamentals since 2010, market news since 2006, ESG since 2020, and corporate actions since 1964.

#10 Alternative

Hands-on TestedFree Tier
Similarity score 983Category overlap: 67%

Shared coverage

Data APIsDividendsSplitsETF Holdings

Assets: Stocks, ETFs, and Commodities

Experience: Intermediate and Advanced

Platforms: Web and API

Pricing: Free and Subscription

Why investors switch

  • Expands into News, News Sentiment, and Market Sentiment coverage beyond what Marketstack offers.
  • Standout features include Cloud-native REST APIs for realtime and historical financial data across global stocks, ETFs, mutual funds, FX, cryptocurrencies, commodities, technical indicators and macroeconomic indicators in a single unified portfolio of endpoints., Global equity time series APIs (daily, weekly, monthly and intraday 1–60 minute bars) with 20+ years of history, optional split/dividend-adjusted prices, and support for extended trading hours where available., and US options data APIs providing realtime and historical option chains with 15+ years of history, full market/volume coverage, and optional Greeks and implied volatility fields in JSON or CSV..
  • Pair it with Marketstack if you still need Analyst Recommendations and Analyst Price Targets.

Adds coverage: News, News Sentiment, Market Sentiment, and Calendar

Standout features: Cloud-native REST APIs for realtime and historical financial data across global stocks, ETFs, mutual funds, FX, cryptocurrencies, commodities, technical indicators and macroeconomic indicators in a single unified portfolio of endpoints., Global equity time series APIs (daily, weekly, monthly and intraday 1–60 minute bars) with 20+ years of history, optional split/dividend-adjusted prices, and support for extended trading hours where available., US options data APIs providing realtime and historical option chains with 15+ years of history, full market/volume coverage, and optional Greeks and implied volatility fields in JSON or CSV., and Fundamental data suite covering company overview, income statement, balance sheet, cash flow, dividends, splits, shares outstanding, ETF profile & holdings, listing/delisting status, earnings history, earnings estimates, and earnings/IPO calendars.

#11 Alternative

Hands-on TestedFree Tier
Similarity score 967Category overlap: 67%

Shared coverage

DividendsSplitsAnalyst RecommendationsAnalyst Price Targets

Assets: Stocks, ETFs, and Commodities

Experience: Intermediate and Advanced

Platforms: Web

Pricing: Free and Subscription

Why investors switch

  • Yahoo Finance adds mobile access for on-the-go monitoring.
  • Expands into News, Alerts, and Calendar coverage beyond what Marketstack offers.
  • Standout features include Global exchange coverage with explicit exchange suffixes, delay tables, and data-provider attributions (e.g., ICE Data Services; CoinMarketCap for crypto)., Portfolios + watchlists to track holdings/performance; supports importing holdings via CSV., and Portfolio data can be imported/exported as CSV (useful for spreadsheet workflows)..
  • Pair it with Marketstack if you still need Data APIs and ETF Holdings.

Adds coverage: News, Alerts, Calendar, and Portfolio

Standout features: Global exchange coverage with explicit exchange suffixes, delay tables, and data-provider attributions (e.g., ICE Data Services; CoinMarketCap for crypto)., Portfolios + watchlists to track holdings/performance; supports importing holdings via CSV., Portfolio data can be imported/exported as CSV (useful for spreadsheet workflows)., and Advanced Chart supports adding multiple ticker symbols to compare relative performance (desktop + mobile browsers).

#12 Alternative

Free Tier
Similarity score 959Category overlap: 67%

Shared coverage

DividendsETF HoldingsAnalyst RecommendationsAnalyst Price Targets

Assets: Stocks, ETFs, and Other

Experience: Intermediate and Advanced

Platforms: Web

Pricing: Free and Subscription

Why investors switch

  • Stock Rover adds mobile access for on-the-go monitoring.
  • Expands into Stock Ideas, Screeners, and ETF Screeners coverage beyond what Marketstack offers.
  • Standout features include Advanced web application for stock and ETF comparison, screening, portfolio analytics, charting, alerts, stock ratings, earnings calendars, and brokerage integration., North American coverage: free/plan pages advertise 8,500+ North American stocks, 4,000 ETFs, and 40,000 mutual funds; the FAQ separately says Stock Rover supports 40,000+ tickers across major U.S. and Canadian exchanges plus OTCBB/OTCPK., and Powerful screeners: 150+ pre-built screeners, custom stock and ETF screeners, ranked screening, guru-style metrics, screener snapshots, historical/equation screening in Premium Plus, and hundreds of screenable metrics..
  • Pair it with Marketstack if you still need Data APIs and Splits.

Adds coverage: Stock Ideas, Screeners, ETF Screeners, and Stock Comparison

Standout features: Advanced web application for stock and ETF comparison, screening, portfolio analytics, charting, alerts, stock ratings, earnings calendars, and brokerage integration., North American coverage: free/plan pages advertise 8,500+ North American stocks, 4,000 ETFs, and 40,000 mutual funds; the FAQ separately says Stock Rover supports 40,000+ tickers across major U.S. and Canadian exchanges plus OTCBB/OTCPK., Powerful screeners: 150+ pre-built screeners, custom stock and ETF screeners, ranked screening, guru-style metrics, screener snapshots, historical/equation screening in Premium Plus, and hundreds of screenable metrics., and Spreadsheet-like comparison table and tile views for comparing stocks, ETFs, funds, portfolios, indices, and custom datasets across financial, operational, pricing, valuation, dividend, analyst, ratings, momentum, and performance metrics.

#13 Alternative

Analyst PickHands-on TestedFree Tier
Similarity score 910Category overlap: 50%

Shared coverage

Data APIsDividendsSplits

Assets: Stocks, ETFs, and Bonds

Experience: Intermediate and Advanced

Platforms: Web and API

Pricing: Free and Subscription

Why investors switch

  • Expands into APIs & SDKs, Calendar, and News coverage beyond what Marketstack offers.
  • Standout features include Personal-use pricing: Free ($0), EOD All World ($19.99/mo), EOD+Intraday All World Extended ($29.99/mo), Fundamentals Data Feed ($59.99/mo), All‑In‑One ($99.99/mo)., Commercial-use pricing: Internal Use ($399/mo) and Enterprise ($2499/mo) are listed, plus a Custom plan (quote)., and Rate limits & quotas: minute request limit is 1000 requests/min; paid plans default to 100,000 daily “API calls” (with different endpoints consuming different call amounts)..
  • Pair it with Marketstack if you still need ETF Holdings, Analyst Recommendations, and Analyst Price Targets.

Adds coverage: APIs & SDKs, Calendar, News, and News Sentiment

Standout features: Personal-use pricing: Free ($0), EOD All World ($19.99/mo), EOD+Intraday All World Extended ($29.99/mo), Fundamentals Data Feed ($59.99/mo), All‑In‑One ($99.99/mo)., Commercial-use pricing: Internal Use ($399/mo) and Enterprise ($2499/mo) are listed, plus a Custom plan (quote)., Rate limits & quotas: minute request limit is 1000 requests/min; paid plans default to 100,000 daily “API calls” (with different endpoints consuming different call amounts)., and Tick Data API (US equities): available in All‑In‑One, or “by request” as an additional package; dataset begins 2008‑01‑01; consumes 10 API calls/request.

#14 Alternative

Hands-on TestedFree Tier
Similarity score 908Category overlap: 50%

Shared coverage

Data APIsDividendsSplits

Assets: Stocks, Bonds, and Commodities

Experience: Intermediate and Advanced

Platforms: Web and API

Pricing: Free and Subscription

Why investors switch

  • Trading Economics adds mobile access for on-the-go monitoring.
  • Expands into GDP, Inflation Rates, and Unemployment Rates coverage beyond what Marketstack offers.
  • Standout features include Docs advertise indicators (>15,000 data series from official sources) and an economic calendar (~1600 events/month across 150+ countries)., REST API provides direct access to economic indicators plus markets data (FX, stock indexes, government bond yields, commodities) and company financials; includes subscriptions to market quotes and streaming updates (calendar + earnings)., and API supports JSON/CSV/XML output via the &f= parameter and API-key auth via query param (c=) or Authorization header..
  • Pair it with Marketstack if you still need ETF Holdings, Analyst Recommendations, and Analyst Price Targets.

Adds coverage: GDP, Inflation Rates, Unemployment Rates, and Interest Rates

Standout features: Docs advertise indicators (>15,000 data series from official sources) and an economic calendar (~1600 events/month across 150+ countries)., REST API provides direct access to economic indicators plus markets data (FX, stock indexes, government bond yields, commodities) and company financials; includes subscriptions to market quotes and streaming updates (calendar + earnings)., API supports JSON/CSV/XML output via the &f= parameter and API-key auth via query param (c=) or Authorization header., and API limits: general limit of 1 request/second; historical endpoints capped at 10,000 rows and economic calendar endpoints capped at 1,000 rows per call.

#15 Alternative

Hands-on TestedFree Tier
Similarity score 907Category overlap: 67%

Shared coverage

DividendsETF HoldingsAnalyst RecommendationsAnalyst Price Targets

Assets: Stocks and ETFs

Experience: Intermediate and Advanced

Platforms: Web

Pricing: Free and Subscription

Why investors switch

  • Stock Unlock adds mobile access for on-the-go monitoring.
  • Expands into Screeners, Data Visualizations, and Stock Comparison coverage beyond what Marketstack offers.
  • Standout features include Coverage of more than 170,000 stocks and ETFs across 65 global exchanges., Native iOS and Android apps sync portfolios, Stock Scores, watchlists, and core features with the web account., and Portfolio tracking through manual entry, CSV import, or broker connections (via SnapTrade integration)..
  • Pair it with Marketstack if you still need Data APIs and Splits.

Adds coverage: Screeners, Data Visualizations, Stock Comparison, and ETF Overview

Standout features: Coverage of more than 170,000 stocks and ETFs across 65 global exchanges., Native iOS and Android apps sync portfolios, Stock Scores, watchlists, and core features with the web account., Portfolio tracking through manual entry, CSV import, or broker connections (via SnapTrade integration)., and Free accounts can connect one brokerage account for 15 days without a credit card; continued automatic broker syncing is paid after the trial connection period.

#16 Alternative

Hands-on TestedFree Tier
Similarity score 907Category overlap: 67%

Shared coverage

DividendsSplitsAnalyst RecommendationsAnalyst Price Targets

Assets: Stocks and ETFs

Experience: Intermediate and Advanced

Platforms: Web

Pricing: Free and Subscription

Why investors switch

  • Tickertape adds mobile access for on-the-go monitoring.
  • Expands into Screeners, Portfolio, and Watchlist coverage beyond what Marketstack offers.
  • Standout features include Web and mobile apps covering Indian stocks, mutual funds, and ETFs., Screeners with 100+ metrics on the platform and 200+ Pro filters; Pro allows unlimited custom screens, custom filters, custom universes, premium screens, and CSV exports., and End-of-day data refresh: prices and volumes in the evening, F&O later at night, and fundamentals early the next day..
  • Pair it with Marketstack if you still need Data APIs and ETF Holdings.

Adds coverage: Screeners, Portfolio, Watchlist, and News

Standout features: Web and mobile apps covering Indian stocks, mutual funds, and ETFs., Screeners with 100+ metrics on the platform and 200+ Pro filters; Pro allows unlimited custom screens, custom filters, custom universes, premium screens, and CSV exports., End-of-day data refresh: prices and volumes in the evening, F&O later at night, and fundamentals early the next day., and Broker integration with leading platforms such as Zerodha, Upstox, ICICI Direct, HDFC Securities, Groww, 5Paisa, and more, enabling portfolio sync and in-app trading; Pro supports linking multiple demat accounts.

#17 Alternative

Hands-on TestedFree Tier
Similarity score 895Category overlap: 67%

Shared coverage

DividendsSplitsAnalyst RecommendationsAnalyst Price Targets

Assets: Stocks and ETFs

Experience: Intermediate and Advanced

Platforms: Web

Pricing: Free and Subscription

Why investors switch

  • Expands into Screeners, Stock Ideas, and Data Visualizations coverage beyond what Marketstack offers.
  • Standout features include Free advanced stock screener with technical + fundamental filters (dividend, valuation, growth, profitability, health), custom expressions, saved screens, and customizable result views (tables/charts)., Trading Ideas library of pre-configured screens/strategies that can be run and adapted., and Charting with multi-chart layouts, multiple timeframes (including intraday), and save/load chart configurations; supports watchlist-based charting..
  • Pair it with Marketstack if you still need Data APIs and ETF Holdings.

Adds coverage: Screeners, Stock Ideas, Data Visualizations, and Watchlist

Standout features: Free advanced stock screener with technical + fundamental filters (dividend, valuation, growth, profitability, health), custom expressions, saved screens, and customizable result views (tables/charts)., Trading Ideas library of pre-configured screens/strategies that can be run and adapted., Charting with multi-chart layouts, multiple timeframes (including intraday), and save/load chart configurations; supports watchlist-based charting., and Full-screen chart mode adds custom indicators (including fundamentals), event markers (earnings/dividends/splits), drawings/annotations, alerts, and a built-in position sizing tool.

#18 Alternative

Analyst PickHands-on TestedFree Tier
Similarity score 894Category overlap: 50%

Shared coverage

ETF HoldingsAnalyst RecommendationsAnalyst Price Targets

Assets: Stocks, ETFs, and Bonds

Experience: Intermediate and Advanced

Platforms: Web

Pricing: Free and Subscription

Why investors switch

  • Koyfin adds mobile access for on-the-go monitoring.
  • Expands into Screeners, ETF Screeners, and Data Visualizations coverage beyond what Marketstack offers.
  • Standout features include 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., and Advanced graphing with 100+ indicators/series (fundamentals, technicals, valuation, estimates/ratings), templates, total-return charts, scatter charts, and share/embed + downloads..
  • Pair it with Marketstack if you still need Data APIs, Dividends, and Splits.

Adds coverage: Screeners, ETF Screeners, Data Visualizations, and Custom Dashboards

Standout features: 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., and Financial Analysis pages: highlights from income/balance sheet/cash-flow plus customizable Financial Analysis templates (paid tiers).

#19 Alternative

Free Tier
Similarity score 872Category overlap: 50%

Shared coverage

DividendsAnalyst RecommendationsAnalyst Price Targets

Assets: Stocks, ETFs, and Bonds

Experience: Intermediate and Advanced

Platforms: Web

Pricing: Free and Subscription

Why investors switch

  • The Wall Street Journal (WSJ) adds mobile access for on-the-go monitoring.
  • Expands into News, Alerts, and Calendar coverage beyond what Marketstack offers.
  • Standout features include Comprehensive business and markets reporting, plus a Market Data Center spanning indexes, stocks, bonds, commodities, currencies, and mutual funds., Built-in calendars, including a downloadable U.S. economic calendar and an earnings calendar within Market Data., and Market lists and stats such as 52-week highs/lows, analyst upgrades/downgrades, and dividend pages..
  • Pair it with Marketstack if you still need Data APIs, Splits, and ETF Holdings.

Adds coverage: News, Alerts, Calendar, and Financials

Standout features: Comprehensive business and markets reporting, plus a Market Data Center spanning indexes, stocks, bonds, commodities, currencies, and mutual funds., Built-in calendars, including a downloadable U.S. economic calendar and an earnings calendar within Market Data., Market lists and stats such as 52-week highs/lows, analyst upgrades/downgrades, and dividend pages., and Company quote pages with financial statements, historical charts, and related news.

#20 Alternative

Hands-on TestedFree Tier
Similarity score 847Category overlap: 67%

Shared coverage

DividendsSplitsAnalyst RecommendationsAnalyst Price Targets

Assets: Stocks

Experience: Intermediate and Advanced

Platforms: Web

Pricing: Free and Subscription

Why investors switch

  • Trendlyne adds mobile access for on-the-go monitoring.
  • Expands into Screeners, Analyst Forecasts, and Data Visualizations coverage beyond what Marketstack offers.
  • Standout features include Stock screener with over 1,000 parameters, plus prebuilt strategies and optional screener alerts (up to every 15 minutes on Pro Plus)., Backtesting at both strategy and stock level, with current Global plan limits of 200 annual backtests on Pro and 1,200 on Pro Plus., and Consensus estimates platform (“Forecaster”) with historical and real-time views on revenue, EPS, profit, dividends, cash flow, capex, and more..
  • Pair it with Marketstack if you still need Data APIs and ETF Holdings.

Adds coverage: Screeners, Analyst Forecasts, Data Visualizations, and Options & Derivatives

Standout features: Stock screener with over 1,000 parameters, plus prebuilt strategies and optional screener alerts (up to every 15 minutes on Pro Plus)., Backtesting at both strategy and stock level, with current Global plan limits of 200 annual backtests on Pro and 1,200 on Pro Plus., Consensus estimates platform (“Forecaster”) with historical and real-time views on revenue, EPS, profit, dividends, cash flow, capex, and more., and DVM score (Durability-Valuation-Momentum) available with historical charts and exportable to CSV/XLS.

Coverage Snapshot

Where alternatives already align

Most shared categories across the top matches.

Dividends×19Analyst Price Targets×16Analyst Recommendations×16Splits×16ETF Holdings×11Data APIs×9

New angles introduced

Categories the alternatives add beyond Marketstack.

News+19Financials+18Calendar+17Analyst Forecasts+16Screeners+15Alerts+13Insider Data+13Watchlist+13

Free Access & Pricing

Free options

All 20

20 vetted picks keep a permanent free tier so you can validate workflows before upgrading.

Mobile ready

13/20

13 alternatives bring native mobile access.

API availability

9/20

9 of the shortlisted tools expose API endpoints for automation-heavy workflows.

Quality checks

5 starred / 14 tested

5 tools are flagged as analyst picks; 14 have been hands-on tested.

Avg. coverage overlap

72%

Average percentage of categories shared with the base tool.

Free Alternatives FAQ

What are the best free alternatives to Marketstack?

Start with GuruFocus, Financial Modeling Prep (FMP), and Fiscal.ai to replicate Marketstack workflows without paying for a subscription.

Do these picks stay permanently free?

Yes. Each platform listed keeps a standing free tier with no credit card required -- though export limits or seat caps may apply if you scale usage.

Which Marketstack workflows stay covered on the free plan?

Expect solid overlap across Data APIs, Dividends, Splits, ETF Holdings, Analyst Recommendations, and Analyst Price Targets, so core Marketstack workflows can move over without a paid upgrade.

What extra coverage do the free alternatives add?

Stock Ideas, Screeners, ETF Screeners, Top Analysts, Stock Comparison, ETF Comparison, Data Visualizations, Quant, Backtesting, Correlation, Portfolio, Watchlist, Investor Holdings, US Government Trades, News, Alerts, Calendar, Special Situations, IPO, Delisted, Acquisitions, Spin-offs, Commitment of Traders (COT), Yield Curves, Inflation Rates, Unemployment Rates, GDP, Interest Rates, Financials, Scores, Flags, Valuation Models, Improved Filings, Transcripts, Insider Data, Institutional Data, Short Interest, 13D/13G, 13F, Options, ETF Overview, Fund Holdings, Analyst Forecasts, AI, AI Chat, APIs & SDKs, Sheets / Excel Add-ins, Broker Connectors, Education, Blogs, Videos, Forums, Newsletters, Custom Dashboards, Stock Handbook, Dividend, ESG Ratings, ETF Fundamentals, ETF Performance, AI Business Summary, AI Filings Summary, AI Earnings Summary, AI Report, Webhooks, Options & Derivatives, Bulls Say Bear Say, News Sentiment, Buybacks & Authorizations, Options P&L, Compounding Calculator, Retirement Calculator, Bankruptcy, Ticker Changes, Risk Metrics, Fund Overview, Fund Performance, Market Sentiment, Central Bank Watcher, PMI / ISM, Housing & Construction, Retail Sales, Consumer Sentiment, CDS Spreads, Regulatory Filings Monitoring, Performance Attribution, Monte Carlo, ETF Valuation, Fund Rating, Notes & Highlights, Credit Ratings & Outlooks, Position Sizing, Client & Investor Reporting, Model Portfolios & Sleeves, and Householding & Multi-Entity show up most often as bonus coverage beyond the base platform, giving you room to experiment before upgrading.

Where might I still rely on Marketstack?

ETF Holdings, Data APIs, Analyst Recommendations, Analyst Price Targets, Splits, and Dividends remain strengths for Marketstack. Keep it handy for those tasks or plan for a paid upgrade if they matter.

Information

About Me

Hey! Thanks for stopping by. I'm an independent investor with a soft spot for coding and the stock market - especially value investing (as you can probably tell from the tools I've collected here, haha). Hopefully you'll find something useful or interesting along the way.

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Starred Tools

These are my top picks. Tools I've tested thoroughly and found to be excellent. They do their job really well, and I use them a lot. If you're not already familiar with them, I highly recommend checking them out.

Tested Tools

These are tools I've tried and found to be solid, but not standout. Think of them as passing an initial quality screen: worth exploring, though not all will be exceptional.

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.