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Accessibility Insights vs IBM Equal Access Accessibility Checker: catalog facts
Accessibility Insights	IBM Equal Access Accessibility Checker
Free Free and open source, published by Microsoft.	Free Free and open source, published by IBM on GitHub.
Windows, Browser extension	Browser extension, Command line
FastPass catches common issues in a few minutes Guided assessment against WCAG 2.1 AA	Same rule engine in the browser and in automated builds Integrations for Cypress, Karma, Vitest and Java
Web extension targets Chrome and Edge only Desktop tool is Windows only	Automated checks cannot catch every accessibility problem Build integrations need some setup in a test suite
Downloadable app, Browser extension	Downloadable app, Browser extension
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.