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Rocket Validator vs WAVE: catalog facts
Rocket Validator	WAVE
Paid Paid subscription service with a free trial.	Freemium The online tool and extensions are free; the API and stand-alone testing engine are paid.
Web	Web, Browser extension
Site-wide HTML and accessibility checks in one report Up to 5,000 pages per report	Shows issues in place on the page Extensions for Chrome, Firefox and Edge
Paid service after the trial Requires an account	Bulk testing requires the paid API or engine Automated results still need human judgement
Hosted service	Web application, Browser extension
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	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.