Compare software

Stark vs axe DevTools: catalog facts
Stark	axe DevTools
Freemium Free sign-up available, with paid plans and demos for organisations.	Freemium The browser extension has a free tier; wider toolkits are paid and sold through Deque.
Web, Browser extension	Web, Browser extension
Covers design, browser and code stages in one suite Free sign-up for individuals	Built on the widely used axe-core rules engine Checks run directly in the browser on the current page
Aimed mainly at companies, with advanced features behind sales Requires an account	Automated checks do not replace manual accessibility testing Advanced features are enterprise products sold through sales
Web application, Hosted service, Browser extension	Hosted service, Browser extension
Closed source	Closed source
License not stated	License not stated
Account 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.