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axe DevTools vs IBM Equal Access Accessibility Checker: catalog facts
axe DevTools	IBM Equal Access Accessibility Checker
Freemium The browser extension has a free tier; wider toolkits are paid and sold through Deque.	Free Free and open source, published by IBM on GitHub.
Web, Browser extension	Browser extension, Command line
Built on the widely used axe-core rules engine Checks run directly in the browser on the current page	Same rule engine in the browser and in automated builds Integrations for Cypress, Karma, Vitest and Java
Automated checks do not replace manual accessibility testing Advanced features are enterprise products sold through sales	Automated checks cannot catch every accessibility problem Build integrations need some setup in a test suite
Hosted service, Browser extension	Downloadable app, Browser extension
Closed 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.