Free Alternatives to Similarweb

Why investors switch

• FRED (Federal Reserve Economic Data) adds mobile access for on-the-go monitoring.
• Expands into Calendar, Inflation Rates, and Unemployment Rates coverage beyond what Similarweb offers.
• Standout features include Access to over 840,000 time series from more than 100 official and third-party sources, all browsable and downloadable online., Official REST API covering both FRED and ALFRED, with endpoints for categories, releases, series, and sources., and Flexible output formats including JSON, XML, Excel, and CSV for easy integration..
• Pair it with Similarweb if you still need App & Website Traffic.

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

Standout features: Access to over 840,000 time series from more than 100 official and third-party sources, all browsable and downloadable online., Official REST API covering both FRED and ALFRED, with endpoints for categories, releases, series, and sources., Flexible output formats including JSON, XML, Excel, and CSV for easy integration., and ALFRED (the archival database) provides point-in-time vintages, letting you track historical revisions exactly as they were published.

Why investors switch

• Semrush adds mobile access for on-the-go monitoring.
• Expands into Blogs coverage beyond what Similarweb offers.
• Standout features include Traffic Analytics tools to examine any website’s visitors, sources, engagement metrics, and competitive benchmarks., Rich API suite: Analytics and Projects APIs (Business plan), Trends API, Listing Management, and Map Rank Tracker. Current versions support API key (v3) and OAuth 2.0 with JSON (v4)., and API consumption billed in ‘units’ per request or per line of data. Historical queries cost more; some APIs like Listing Management and Map Rank Tracker are excluded from unit billing..
• Pair it with Similarweb if you still need Data Visualizations.

Adds coverage: Blogs

Standout features: Traffic Analytics tools to examine any website’s visitors, sources, engagement metrics, and competitive benchmarks., Rich API suite: Analytics and Projects APIs (Business plan), Trends API, Listing Management, and Map Rank Tracker. Current versions support API key (v3) and OAuth 2.0 with JSON (v4)., API consumption billed in ‘units’ per request or per line of data. Historical queries cost more; some APIs like Listing Management and Map Rank Tracker are excluded from unit billing., and Flexible exports in CSV, Excel, and PDF across tools. Position Tracking and Site Audit modules generate PDF reports; Position Tracking also supports direct Google Sheets export.

Why investors switch

• Expands into Custom Dashboards, News, and IPO coverage beyond what Similarweb offers.
• Standout features include REST API and Python client with JSON-serializable endpoints; local API deployment supported., Wide coverage across equities, ETFs, options, fixed income, macroeconomics, news, transcripts, and regulatory filings., and Command-line interface (successor to the legacy OpenBB Terminal) plus Python workflows..
• Pair it with Similarweb if you still need App & Website Traffic.

Adds coverage: Custom Dashboards, News, IPO, and Dividends

Standout features: REST API and Python client with JSON-serializable endpoints; local API deployment supported., Wide coverage across equities, ETFs, options, fixed income, macroeconomics, news, transcripts, and regulatory filings., Command-line interface (successor to the legacy OpenBB Terminal) plus Python workflows., and Workspace dashboards and apps with customizable widgets; unlimited dashboards on the Community tier.

Why investors switch

• FlightAware adds mobile access for on-the-go monitoring.
• Expands into Alerts and Satellite / Geospatial coverage beyond what Similarweb offers.
• Standout features include Live flight tracking and flight-status pages with dedicated views for cancellations and delays, plus the signature MiseryMap® for U.S. air traffic disruptions., Premium subscriptions unlock unlimited flight alerts and access to three, five, or eight months of historical flight data., and AeroAPI (v4) provides RESTful access to current and historical flight data with JSON responses and API key authentication..
• Pair it with Similarweb if you still need App & Website Traffic and Sheets / Excel Add-ins.

Adds coverage: Alerts and Satellite / Geospatial

Standout features: Live flight tracking and flight-status pages with dedicated views for cancellations and delays, plus the signature MiseryMap® for U.S. air traffic disruptions., Premium subscriptions unlock unlimited flight alerts and access to three, five, or eight months of historical flight data., AeroAPI (v4) provides RESTful access to current and historical flight data with JSON responses and API key authentication., and FlightAware Firehose delivers a continuous enterprise-grade feed of real-time, historical, and predictive flight data over secure TCP/SSL connections.

Why investors switch

• Expands into Central Bank Watcher, Inflation Rates, and Interest Rates coverage beyond what Similarweb offers.
• Standout features include Open SDMX 2.1 REST API with discovery & retrieval modes; single entry point at data-api.ecb.europa.eu/service/ and rich query parameters (e.g., startPeriod/endPeriod, updatedAfter, includeHistory, detail, firstNObservations/lastNObservations)., Format flexibility via content negotiation and the `format` query param: SDMX‑JSON, CSV, and SDMX‑ML (structure‑specific and generic)., and Interactive portal with export of data (CSV, XLS long/wide, SDMX) and export of visuals (PNG, PDF, PowerPoint)..
• Pair it with Similarweb if you still need App & Website Traffic and Sheets / Excel Add-ins.

Adds coverage: Central Bank Watcher, Inflation Rates, Interest Rates, and GDP

Standout features: Open SDMX 2.1 REST API with discovery & retrieval modes; single entry point at data-api.ecb.europa.eu/service/ and rich query parameters (e.g., startPeriod/endPeriod, updatedAfter, includeHistory, detail, firstNObservations/lastNObservations)., Format flexibility via content negotiation and the `format` query param: SDMX‑JSON, CSV, and SDMX‑ML (structure‑specific and generic)., Interactive portal with export of data (CSV, XLS long/wide, SDMX) and export of visuals (PNG, PDF, PowerPoint)., and Comprehensive euro‑area macro & markets coverage: HICP inflation, key & market interest rates, exchange rates (reference rates), GDP and labor indicators, plus euro‑area yield curves (spot/forward/par).

Why investors switch

• Expands into Regulatory Filings Monitoring coverage beyond what Similarweb offers.
• Standout features include Interactive explorer to filter, chart trends over time, map by geography, and read consented narratives., Programmatic access via the Consumer Complaint Database Search API; results available as JSON, CSV, XLS, or XLSX., and Daily refresh cadence; complaints published after a response or after 15 days; complaints referred to other regulators are not published..
• Pair it with Similarweb if you still need App & Website Traffic and Sheets / Excel Add-ins.

Adds coverage: Regulatory Filings Monitoring

Standout features: Interactive explorer to filter, chart trends over time, map by geography, and read consented narratives., Programmatic access via the Consumer Complaint Database Search API; results available as JSON, CSV, XLS, or XLSX., Daily refresh cadence; complaints published after a response or after 15 days; complaints referred to other regulators are not published., and Detailed fields: product/sub‑product, issue/sub‑issue, company, dates (received/sent to company), state/ZIP (privacy rules), submission channel, tags (e.g., Servicemember, Older American), company public response, response category, timeliness, and (if consented) complaint narrative.

Why investors switch

• Expands into Regulatory Filings Monitoring coverage beyond what Similarweb offers.
• Standout features include Three core datasets each year: General Payments, Research Payments, and Ownership/Investment Interests., Web search/explorer with filtering and charts; program year downloads available from the portal., and Open Data API (ODA) for programmatic access with filtering, querying, and aggregation (SoQL‑style)..
• Pair it with Similarweb if you still need App & Website Traffic and Sheets / Excel Add-ins.

Adds coverage: Regulatory Filings Monitoring

Standout features: Three core datasets each year: General Payments, Research Payments, and Ownership/Investment Interests., Web search/explorer with filtering and charts; program year downloads available from the portal., Open Data API (ODA) for programmatic access with filtering, querying, and aggregation (SoQL‑style)., and Publication cadence: initial annual publication on/around June 30 for the prior year, plus a January data refresh.

Why investors switch

• Expands into Videos and Other coverage beyond what Similarweb offers.
• Standout features include Advanced Search & profiles across awards, recipients, agencies, federal accounts; filters include date, place of performance, NAICS/PSC, Assistance Listing (formerly CFDA), DEFC for COVID/infrastructure., Spending Explorer and Agency/Federal Account profiles for top‑down views of obligations/outlays and drill‑downs by budget hierarchy., and Public REST API that powers the website (GET & POST endpoints; JSON responses); tutorial and contracts for commonly used endpoints..
• Pair it with Similarweb if you still need App & Website Traffic and Sheets / Excel Add-ins.

Adds coverage: Videos and Other

Standout features: Advanced Search & profiles across awards, recipients, agencies, federal accounts; filters include date, place of performance, NAICS/PSC, Assistance Listing (formerly CFDA), DEFC for COVID/infrastructure., Spending Explorer and Agency/Federal Account profiles for top‑down views of obligations/outlays and drill‑downs by budget hierarchy., Public REST API that powers the website (GET & POST endpoints; JSON responses); tutorial and contracts for commonly used endpoints., and Bulk data: Award Data Archive (pre‑generated, by agency/fiscal year), Custom Award Data, Custom Account Data, and full Database Download.

Why investors switch

• Expands into News, News Sentiment, and Analyst Forecasts coverage beyond what Similarweb offers.
• Standout features include End-of-day OHLCV data via API with daily, weekly, and monthly series, fully adjusted for splits and dividends. JSON and CSV supported., Intraday historical prices available at 1-minute, 5-minute, and 1-hour intervals., and Delayed live quotes: 15–20 minute delay for stocks, 1-minute delay for FX; supports multi-ticker queries..
• Pair it with Similarweb if you still need App & Website Traffic and Data Visualizations.

Adds coverage: News, News Sentiment, Analyst Forecasts, and Dividends

Standout features: End-of-day OHLCV data via API with daily, weekly, and monthly series, fully adjusted for splits and dividends. JSON and CSV supported., Intraday historical prices available at 1-minute, 5-minute, and 1-hour intervals., Delayed live quotes: 15–20 minute delay for stocks, 1-minute delay for FX; supports multi-ticker queries., and Real-time WebSocket streaming (<50 ms latency) for US equities, forex, and crypto, with up to 50 simultaneous tickers and pre/post-market support.

Why investors switch

• Expands into Screeners, Quant, and Backtesting coverage beyond what Similarweb offers.
• Standout features include Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry., Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data., and Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging..
• Pair it with Similarweb if you still need App & Website Traffic and Sheets / Excel Add-ins.

Adds coverage: Screeners, Quant, Backtesting, and Portfolio

Standout features: Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry., Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data., Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging., and ‘Books’ feature to combine multiple strategies and view correlations between them.

Why investors switch

• Expands into News, News Sentiment, and Calendar coverage beyond what Similarweb offers.
• Standout features include Equity time series for global stocks (intraday down to 1-minute, plus daily/weekly/monthly) with 20+ years of history, including pre- and post-market support and adjustment toggles for splits and dividends., US options coverage with real-time and historical data spanning over 15 years, including optional greeks and implied volatility outputs in JSON or CSV., and Fundamentals and corporate actions such as company overviews, financials, dividends, splits, plus ETF profiles and holdings..
• Pair it with Similarweb if you still need App & Website Traffic and Data Visualizations.

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

Standout features: Equity time series for global stocks (intraday down to 1-minute, plus daily/weekly/monthly) with 20+ years of history, including pre- and post-market support and adjustment toggles for splits and dividends., US options coverage with real-time and historical data spanning over 15 years, including optional greeks and implied volatility outputs in JSON or CSV., Fundamentals and corporate actions such as company overviews, financials, dividends, splits, plus ETF profiles and holdings., and Corporate calendars: earnings announcements, IPO schedules, listings, and delisting status.

Why investors switch

• Expands into Central Bank Watcher, Interest Rates, and Calendar coverage beyond what Similarweb offers.
• Standout features include Meeting‑by‑meeting probabilities of FOMC target‑rate outcomes implied by Fed Funds futures., Compare view (current vs 1‑day/1‑week/1‑month ago) and Historical panel., and Fed ‘Dot Plot’ chart plus table view..
• Pair it with Similarweb if you still need App & Website Traffic and Sheets / Excel Add-ins.

Adds coverage: Central Bank Watcher, Interest Rates, and Calendar

Standout features: Meeting‑by‑meeting probabilities of FOMC target‑rate outcomes implied by Fed Funds futures., Compare view (current vs 1‑day/1‑week/1‑month ago) and Historical panel., Fed ‘Dot Plot’ chart plus table view., and One‑click PDF generation of the current page and Excel downloads for historical probabilities.

Why investors switch

• Expands into Interest Rates, Yield Curves, and Scores coverage beyond what Similarweb offers.
• Standout features include Short‑term Funding Monitor (STFM): curated repo/CP/CD/FF market charts plus **open REST API** (JSON, HTTPS) with series search, metadata, and spread endpoints; no tokens required., U.S. Money Market Fund Monitor: interactive holdings transparency by asset type, counterparty, country; per‑chart **CSV download**., and Hedge Fund Monitor (HFM): aggregated Form PF and related series via an **open REST API** (JSON) organized by datasets and mnemonics..
• Pair it with Similarweb if you still need App & Website Traffic and Sheets / Excel Add-ins.

Adds coverage: Interest Rates, Yield Curves, Scores, and Market Sentiment

Standout features: Short‑term Funding Monitor (STFM): curated repo/CP/CD/FF market charts plus **open REST API** (JSON, HTTPS) with series search, metadata, and spread endpoints; no tokens required., U.S. Money Market Fund Monitor: interactive holdings transparency by asset type, counterparty, country; per‑chart **CSV download**., Hedge Fund Monitor (HFM): aggregated Form PF and related series via an **open REST API** (JSON) organized by datasets and mnemonics., and OFR Financial Stress Index (FSI): **daily** global market‑based stress index built from 33 variables; FSI values publish with a ~**two‑business‑day** lag.

Why investors switch

• Listen Notes adds mobile access for on-the-go monitoring.
• Expands into Alerts, Education, and Other coverage beyond what Similarweb offers.
• Standout features include Podcast API v2: search, directory, insights; official client libraries; OpenAPI spec & mock server for keyless testing., Pricing tiers with concrete quotas: FREE (300 req/mo), PRO (base fee with 5k req/mo included + tiered overages), ENTERPRISE (annual contract, larger quotas, relaxed caching/no-logo)., and Plan-based search result caps & rate limits: FREE up to 30 results/query (2 req/s, 20 req/min); PRO up to 300 results/query (medium rate limit); ENTERPRISE up to 10,000 results/query (high rate limit)..
• Pair it with Similarweb if you still need App & Website Traffic, Sheets / Excel Add-ins, and Data Visualizations.

Adds coverage: Alerts, Education, and Other

Standout features: Podcast API v2: search, directory, insights; official client libraries; OpenAPI spec & mock server for keyless testing., Pricing tiers with concrete quotas: FREE (300 req/mo), PRO (base fee with 5k req/mo included + tiered overages), ENTERPRISE (annual contract, larger quotas, relaxed caching/no-logo)., Plan-based search result caps & rate limits: FREE up to 30 results/query (2 req/s, 20 req/min); PRO up to 300 results/query (medium rate limit); ENTERPRISE up to 10,000 results/query (high rate limit)., and Advanced fields & endpoints on higher tiers: transcripts, batch fetch, RSS/large image, email, latest_episode_id, Listen Score & Global Rank.

Why investors switch

• MarineTraffic adds mobile access for on-the-go monitoring.
• Expands into Shipping & Trade and Alerts coverage beyond what Similarweb offers.
• Standout features include Live Map with advanced filters, including ship type, capacity, status, and custom smart filters., Notifications for port calls, area entries, vessel movements (speed, course changes, drifting), AIS data updates (ETA, destination, draught), proximity events (STS, tug, pilot, bunkering), and AIS-coverage changes, delivered via email, mobile push, or archive., and CSV exports from vessel and port databases, with monthly quotas depending on plan: Basic (5), Essential (300), Enterprise (10,000)..
• Pair it with Similarweb if you still need App & Website Traffic, APIs & SDKs, and Sheets / Excel Add-ins.

Adds coverage: Shipping & Trade and Alerts

Standout features: Live Map with advanced filters, including ship type, capacity, status, and custom smart filters., Notifications for port calls, area entries, vessel movements (speed, course changes, drifting), AIS data updates (ETA, destination, draught), proximity events (STS, tug, pilot, bunkering), and AIS-coverage changes, delivered via email, mobile push, or archive., CSV exports from vessel and port databases, with monthly quotas depending on plan: Basic (5), Essential (300), Enterprise (10,000)., and Past Track playback varies by plan: Free (1 day), Essential (7 days), Enterprise (up to 5 years, in 7-day playback windows).

Why investors switch

• Standout features include Comprehensive toolkit: Site Explorer, Keywords Explorer, Site Audit, Rank Tracker, Content Explorer, and Web Analytics., Ahrefs Webmaster Tools (free) provides a lighter version of Site Explorer and Site Audit, plus Web Analytics for verified sites., and Looker Studio connectors available for Site Explorer, Rank Tracker, and Site Audit — reserved for Advanced and above..
• Pair it with Similarweb if you still need Data APIs, Sheets / Excel Add-ins, and Data Visualizations.

Standout features: Comprehensive toolkit: Site Explorer, Keywords Explorer, Site Audit, Rank Tracker, Content Explorer, and Web Analytics., Ahrefs Webmaster Tools (free) provides a lighter version of Site Explorer and Site Audit, plus Web Analytics for verified sites., Looker Studio connectors available for Site Explorer, Rank Tracker, and Site Audit — reserved for Advanced and above., and Automated email alerts for new or lost backlinks, keyword changes, and web mentions, with flexible delivery options.

Why investors switch

• Standout features include App download estimates and advertising intelligence, with insights into audience and market share., App performance tracking for ASO workflows, including keyword opportunities, competitive benchmarking, and Apple Search Ads analysis. Free sign-ups provide limited access., and Usage insights built from panel data, showing daily and hourly patterns such as retention, time spent, and session frequency..
• Pair it with Similarweb if you still need Data APIs, Sheets / Excel Add-ins, and Data Visualizations.

Standout features: App download estimates and advertising intelligence, with insights into audience and market share., App performance tracking for ASO workflows, including keyword opportunities, competitive benchmarking, and Apple Search Ads analysis. Free sign-ups provide limited access., Usage insights built from panel data, showing daily and hourly patterns such as retention, time spent, and session frequency., and Advertising insights covering share of voice across networks, creative tracking, and messaging trends.

Why investors switch

• Standout features include Track creator stats across YouTube, TikTok, Twitch, Instagram, and Facebook, including estimated earnings and growth projections., Top lists and platform rankings with SB Rank/grade and live subscriber/follower counts (list lengths vary by plan)., and Favorites dashboard with plan-based limits and ad-free browsing for premium members..
• Pair it with Similarweb if you still need APIs & SDKs, Sheets / Excel Add-ins, and Data Visualizations.

Standout features: Track creator stats across YouTube, TikTok, Twitch, Instagram, and Facebook, including estimated earnings and growth projections., Top lists and platform rankings with SB Rank/grade and live subscriber/follower counts (list lengths vary by plan)., Favorites dashboard with plan-based limits and ad-free browsing for premium members., and Historical data access: free users get 14 days of tabular data plus weekly/monthly charts, while paid tiers unlock up to three years of daily history for YouTube and up to ten years for other platforms.

Why investors switch

• Expands into Shipping & Trade, Education, and Blogs coverage beyond what Similarweb offers.
• Standout features include Visualizations and rankings based on Economic Complexity Index (ECI) and Product Complexity Index (PCI), with reports by HS classification., Monthly international trade data and subnational coverage across 30+ countries available on Pro plans., and Premium tier adds company-level U.S. Bill of Lading data through a Company Explorer sourced from U.S. Customs..
• Pair it with Similarweb if you still need App & Website Traffic, APIs & SDKs, and Sheets / Excel Add-ins.

Adds coverage: Shipping & Trade, Education, and Blogs

Standout features: Visualizations and rankings based on Economic Complexity Index (ECI) and Product Complexity Index (PCI), with reports by HS classification., Monthly international trade data and subnational coverage across 30+ countries available on Pro plans., Premium tier adds company-level U.S. Bill of Lading data through a Company Explorer sourced from U.S. Customs., and REST API with a free tier for historical data and Pro/Premium tokens for the latest datasets, subnational access, and higher query volumes.

Why investors switch

• Expands into Webhooks and Zapier / Make coverage beyond what Similarweb offers.
• Standout features include Domain Search to discover professional emails by company or domain., Email Finder tool that returns verified or deduced addresses with a confidence score and verification status., and Email Verifier with SMTP-level checks and source information; supports bulk verification..
• Pair it with Similarweb if you still need App & Website Traffic, Data APIs, and Data Visualizations.

Adds coverage: Webhooks and Zapier / Make

Standout features: Domain Search to discover professional emails by company or domain., Email Finder tool that returns verified or deduced addresses with a confidence score and verification status., Email Verifier with SMTP-level checks and source information; supports bulk verification., and Bulk tools (Domain Search, Email Finder, Email Verifier) accept CSV/Excel/Numbers/TXT input and return CSV exports.