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AccessMonitor vs WAVE: catalog facts
AccessMonitor	WAVE
Free Free public service.	Freemium The online tool and extensions are free; the API and stand-alone testing engine are paid.
Web	Web, Browser extension
Checks against WCAG 2.1 Gives a single 0 to 10 quality score	Shows issues in place on the page Extensions for Chrome, Firefox and Edge
Interface is primarily in Portuguese Automated checks cannot replace a manual accessibility review	Bulk testing requires the paid API or engine Automated results still need human judgement
Web application	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 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.