IBM Equal Access Accessibility Checker vs WebPossum
IBM Equal Access Accessibility Checker
ibm.com
WebPossum
webpossum.comSide by side
| Figure | IBM Equal Access Accessibility Checker | WebPossum |
|---|---|---|
| Price from | Free | $99/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | Yes | — |
| Web | Yes | Yes |
| API | Yes | — |
| Self-hosted | Yes | — |
| Plans published | 2 | 4 |
| Spec score · Website Accessibility Tools | 9.0 (#6) | 7.9 (#59) |
| Audience | IBM describes the tools as intended for web developers and accessibility auditors. | The provider offers custom quotes for large sites or urgent timelines and says agencies are welcome, with white-label service available. |
| Free plan | Yes | Yes |
| Purpose | The checker automates accessibility checking of web content and applications for web developers and accessibility auditors. | WebPossum scans public web pages for WCAG 2.2 accessibility violations and provides guidance to fix them. |
| Scan scope | page | page |
| WCAG version | wcag 2.2 | wcag 2.2 |
Plans
IBM Equal Access Accessibility Checker
- Free and open sourceFree
- Free/open-source toolkitFree
WebPossum
- Instant Audit ReportFree
- Manual Audit$99 a month
- Monthly Monitoring$999 a month
- Full Remediation$599, paid once
In their own words
IBM Equal Access Accessibility Checker
IBM Equal Access Accessibility Checker automates accessibility checks for web content and applications, with tools aimed at web developers and accessibility auditors. Its rule engine connects checks to accessibility standards, including WCAG 2.2, and scans at page level. Results can identify the issue type, applicable WCAG success criteria, affected element, XPath, progression level, and a help link. Browser extensions are available for Chrome, Firefox, and Edge. They work in browser DevTools and include a visualization mode for keyboard checking. For CI/CD workflows, packages are available for Node, Cypress, and Java; the project Wiki also lists a Karma plugin and names Selenium, Puppeteer, Playwright, and Zombie as testing or parsing engines. The extension can combine up to 50 stored scans into a Microsoft Excel report. The Wiki says web data, rules, and the engine stay local rather than sending web data to servers or third parties. The tool is free at free. IBM cautions that automated checks cover only part of its accessibility requirements, so manual and screen reader testing should follow.