Stark vs Pa11y

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

Stark

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

View Stark

Pa11y

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

View Pa11y

Comparison table

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

Facts compared for Stark and Pa11y
QuestionStarkPa11y
Pricing modelDiffersFreemiumFree
Free planSame for bothYesYes
PlatformsDiffersAndroid, iOS, macOS, Web, WindowsWeb
Listed featuresDiffers
  • Design Integrations
  • Browser Extensions
  • Code Repository Scanning
  • Real-Time Reporting
  • Compliance Center
  • Command-Line Testing
  • Automated Daily Testing
  • Progress Tracking
  • JSON Webservice API
  • CI Integration

Pricing and limits

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

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.

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.