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WAVE vs Accessibility Checker: catalog facts
WAVE	Accessibility Checker
Freemium The online tool and extensions are free; the API and stand-alone testing engine are paid.	Freemium Free testing features are available; Equalize Digital also sells paid options.
Web, Browser extension	Self-hosted
Shows issues in place on the page Extensions for Chrome, Firefox and Edge	Reports appear directly in the WordPress editor Checks run as content changes
Bulk testing requires the paid API or engine Automated results still need human judgement	Works only with WordPress Automated checks cannot catch every accessibility issue
Web application, Browser extension	Downloadable app
Closed 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 24, 2026

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