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Accessibility Checker vs WAVE: catalog facts
Accessibility Checker	WAVE
Freemium Free testing features are available; Equalize Digital also sells paid options.	Freemium The online tool and extensions are free; the API and stand-alone testing engine are paid.
Self-hosted	Web, Browser extension
Reports appear directly in the WordPress editor Checks run as content changes	Shows issues in place on the page Extensions for Chrome, Firefox and Edge
Works only with WordPress Automated checks cannot catch every accessibility issue	Bulk testing requires the paid API or engine Automated results still need human judgement
Downloadable app	Web application, Browser extension
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 24, 2026	Official website Full listing and sources Checked September 23, 2026

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