Pa11y vs Stark

Compare Pa11y and Stark on the same questions, with pricing terms and sources shown where they are known.

Pa11y

Free, open source accessibility testing tools for developers and designers to identify and fix web accessibility issues

View Pa11y

Stark

Find and fix accessibility issues across design, code, and live products up to 10x faster than competitors

View Stark

Comparison table

Unknown means no reliable value is stored, not that a feature is missing.

Facts compared for Pa11y and Stark
QuestionPa11yStark
Pricing modelDiffersFreeFreemium
Free planSame for bothYesYes
PlatformsDiffersWebAndroid, iOS, macOS, Web, Windows
Listed featuresDiffers
  • Command-Line Testing
  • Automated Daily Testing
  • Progress Tracking
  • JSON Webservice API
  • CI Integration
  • Design Integrations
  • Browser Extensions
  • Code Repository Scanning
  • Real-Time Reporting
  • Compliance Center

Pricing and limits

Plans can differ in scope, region and billing terms, so compare plan names rather than assuming equivalence.

Pa11y

Free plan: Yes

Subscriptions

  • Listed price: Free

Pricing verification date unknown. A check was attempted on Sep 22, 2026 but no value was found; that does not verify the prices.

Stark

Free plan: Yes

Paid pricing could not be verified.

Pricing could not be verified; see the official pricing page.

Official pricing page

Pricing verification date unknown. A check was attempted on Sep 23, 2026 but no value was found; that does not verify the prices.

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