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WAVE vs Accessibility Insights: catalog facts
WAVE	Accessibility Insights
Freemium The online tool and extensions are free; the API and stand-alone testing engine are paid.	Free Free and open source, published by Microsoft.
Web, Browser extension	Windows, Browser extension
Shows issues in place on the page Extensions for Chrome, Firefox and Edge	FastPass catches common issues in a few minutes Guided assessment against WCAG 2.1 AA
Bulk testing requires the paid API or engine Automated results still need human judgement	Web extension targets Chrome and Edge only Desktop tool is Windows only
Web application, 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.