Feature checklists rarely decide anything. What decides it is the pricing metric, who has to write the tests, and which limitation you can live with.
Entry price
From $40 per user/month (indicative, Pro)
Free tierQuote on request
Quote onlyWhat drives the bill
The metric that actually scales your invoice.
Free extension covers a lot. Pro adds guided manual testing; enterprise plans are quote-based.
Enterprise contracts combining platform licence with audit and advisory services.
Free tier
Free browser extension with the core axe-core rule set.
No free tier.
Open source
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Widely used
Deque Systems · since 2015
Established
Level Access · since 1997
Strengths
Limitations
Best for
Organisations with a formal accessibility programme and compliance obligations.
Organisations facing accessibility litigation or formal procurement requirements.
All of these integrate with: Jira, GitHub, Azure DevOps, Selenium.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.