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IBM Equal Access Accessibility Checker vs WAVE: catalog facts
IBM Equal Access Accessibility Checker	WAVE
Free Free and open source, published by IBM on GitHub.	Freemium The online tool and extensions are free; the API and stand-alone testing engine are paid.
Browser extension, Command line	Web, Browser extension
Same rule engine in the browser and in automated builds Integrations for Cypress, Karma, Vitest and Java	Shows issues in place on the page Extensions for Chrome, Firefox and Edge
Automated checks cannot catch every accessibility problem Build integrations need some setup in a test suite	Bulk testing requires the paid API or engine Automated results still need human judgement
Downloadable app, Browser extension	Web application, Browser extension
Open source	Closed 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.