FREEDOM251

Freedom251 › Compare

Side by side

accessio-scan vs Tabnav Web Accessibility Checker

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

accessio-scan

Free plan API

accessio-scan adds axe-core accessibility checks to command lines and CI workflows, with SARIF support for GitHub annotations. Its single-page scope and partial automated coverage define where manual review is still required.

Visit accessio-scan

Tabnav Web Accessibility Checker

Free plan Web

Tabnav combines automated checking, monitoring, manual review and widget controls in a web service. Its free option provides a starting point, while broader managed and monitoring features are paid.

Visit Tabnav Web Accessibility Checker

The facts

accessio-scanTabnav Web Accessibility Checker
Free planYesYes
Open sourceNot publishedNot published
Runs onAPIWeb
Lowest paid planNot publishedWidget + Managed Accessibility: $39 per website a month
Plans publishedNone6
MakerNot publishedNot published
Websitegithub.comtabnav.com
On website accessibility tools#100 of 133#96 of 133

accessio-scan: what it does well

  • WCAG 2.1 and 2.2 audits
  • Console, JSON, and SARIF output
  • GitHub Code Scanning integration
  • Opt-in telemetry off by default
  • Programmatic scan API

What to know first

  • Scans one page per run
  • Requires Node.js 20 or later
  • Chromium download is about 300 MB
  • Manual audits remain necessary

Tabnav Web Accessibility Checker: what it does well

  • Checks WCAG 2.2, ADA and EAA issues
  • Continuous monitoring with alerts and reports
  • Manual audits use assistive technologies
  • Widget supports more than 40 languages
  • Free plan and 7-day trial

What to know first

  • Free widget typically covers up to 30% of guidelines
  • Paid plans start at $39/mo

Alternatives to accessio-scan Alternatives to Tabnav Web Accessibility Checker The whole list