42matters

42matters AG (now part of Similarweb) — App & SDK intelligence archive delivered as APIs and bulk File Dumps: per-app daily country-level download-estimate time series (queryable by ISO country, ALL, or TOP/TOP_5/TOP_10/TOP_20 and aggregable daily/weekly/monthly/region across Europe, Asia, East/Central/South/Southeast/Western Asia, North America, Oceania, South America, Africa), top-chart ranks and chart history, MAU, ratings and review counts, full app metadata, developer/publisher detail, permissions, localisation and monetisation fields, plus SDK/technology-stack detection across 2,700+ SD…

42matters offers (Alternative, Reference, Fundamental, Sentiment) — 21M+ apps and 1.7M+ publishers across 12 store platforms, 2,700+ SDKs detected, with the download-estimate series alone spanning daily × per-country granularity (ALL countries supported) for every tracked app — a multi-billion-row observation store once multiplied across apps × days × countries; metadata dumps cover full store catalogues, not just chart-toppers.

Country-level app demand alternative data for public-market investors (daily download estimates by country for listed publishers' portfolios, with 5+ years of dump history for backtesting); ad-tech targeting, brand safety, fraud detection and app-ads.txt validation; cybersecurity/MDM supply-risk assessment (SDK risk, permissions, malware and data-flow analysis on enterprise-mobile app inventories); SDK vendor market-sizing, lead qualification and competitive share-of-integration studies; CTV ecosystem measurement across seven connected-TV storefronts; and ML feature stores needing app-technology labels.

The data is with 3 years of history.

Coverage spans US, Europe, Japan, China/HK, APAC; Data Processing & Outsourced Services, Apps; alternative, reference, fundamental, sentiment; equities.