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AllyShield vs WCAG Checker

Both stand on accessibility testing software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

AllyShield

Free plan Web

AllyShield focuses on automated accessibility scanning, with plan allowances and features that increase by tier. Check its page and domain limits against your scanning needs.

Visit AllyShield

WCAG Checker

Free plan LinuxMacSelf-hosted+2

WCAG Checker provides local automated checks and portable reports for web content and PDFs. It is useful for an initial pass, but its stated coverage and coarse PDF mapping do not replace a complete audit.

Visit WCAG Checker

The facts

AllyShieldWCAG Checker
Free planYesYes
Open sourceNot publishedNot published
Runs onWebLinux, Mac, Self-hosted, Web, Windows
Lowest paid planStarter: €49 a monthFree or on request
Plans published51
MakerNot publishedNot published
Websiteallyshield.netgithub.com
On accessibility testing software#36 of 169#32 of 169

AllyShield: what it does well

  • Scans against WCAG 2.2.
  • Includes mobile testing.
  • Supports CI/CD integration.
  • Provides remediation guidance.
  • Higher tiers add scheduled scans and API access.

What to know first

  • No manual review tools.
  • No browser extension.
  • Free plan limits scans to three monthly.

WCAG Checker: what it does well

  • Free MIT-licensed project
  • Audits URLs, HTML, and PDFs
  • HTML and JSON report exports
  • Local processing by default
  • Supports WCAG 2.2 Level AA

What to know first

  • No manual review tools
  • No browser extension or CI/CD integration
  • PDF scans require Java 11 or newer
  • Automated checks cover only part of issues

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