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A11y Pulse vs Deque axe DevTools

axe DevTools for the build.
A11y Pulse for production.

axe DevTools catches accessibility issues before they're written. A11y Pulse catches the ones that arrive after — through CMS edits, third-party scripts, and content updates that never trigger a build.
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What is axe DevTools?

axe DevTools is the commercial toolkit Deque builds on top of axe-core, the open-source engine the broader accessibility ecosystem (A11y Pulse, Lighthouse, Pa11y, CWAC) all depend on. The product targets the developer workflow, with a shift-left focus on catching issues at authoring rather than after release.

Free Extension Browser, per-page
Basic axe-core scanning for Chrome, Firefox, and Edge. Free, on whatever page you have open.
Pro Extension Per-seat, online
Adds AI-enhanced automation, Intelligent Guided Tests, user-flow analysis, Jira integration. 14-day trial.
Bundle (axe DevTools for Web) Quote-only
Adds SSO, MCP server, BI reporting, the linter and PR blocker, CI/CD, deduplication, and on-prem deployment.

Side by side

A11y Pulse vs axe DevTools

Pricing
Testing engine
Primary workflow
Site-wide automated scans
Regression alerts
Stakeholder monthly reports
Intelligent Guided Tests
Static-code linter / PR blocking
MCP server / IDE fixes
Authenticated pages
Best for
A11y Pulse Continuous, site-wide
Recommended
$19, $49, $159 / month Published, monthly billing
axe-core Maintained by Deque
Scheduled production monitoring
Daily, every page, every plan
Email, Slack, Teams
Built in
Not offered
Not offered
MCP server included
Scripted login flow On every plan
Always-on site monitoring and reporting
axe DevTools Deque developer toolkit
For comparison
Free / Pro per-seat / Bundle quote Bundle pricing is sales-led
axe-core Maintained by Deque
IDE, browser extension, pull request
Bundle tier only Quote required
BI reporting Bundle tier
Bundle tier reporting
Pro and Bundle tiers
Bundle tier
Bundle tier
User-flow analysis Pro and Bundle
Shift-left developer accessibility

axe DevTools pricing details (per-seat amounts, Bundle pricing, AI-credit allotments) are not published. Bundle pricing requires a sales conversation.

Why teams switch to A11y Pulse

Three places a build-time tool can't reach

axe DevTools is excellent at the development layer. Production accessibility needs a tool that watches the live site between releases.

1

Coverage

After the build is its own surface

CI gates run when code changes. Most accessibility regressions in production arrive through routes that don't trigger a build — a CMS edit, a third-party widget update, an A/B variant, a new vendor script.

Daily, every page

2

Pricing shape

Schedulers don't fit per-seat math

Pro is per-seat, which suits IDE tooling but not "scan every page every day". You don't need a seat per page; you need a scheduler. Bundle covers monitoring but quotes scale with org size, not site size.

From $19 / month, flat

3

Reporting

Stakeholder digests, not just dev tickets

axe DevTools produces excellent developer-facing output, with issues attached to code in the IDE. The monthly digest, trend chart, and Slack regression alert are exactly the gaps A11y Pulse covers.

Monthly delta + alerts

Where we fit

The same engine, watching production

A11y Pulse runs axe-core daily across your live site, so the underlying findings are consistent with anything axe DevTools surfaces in the IDE. The difference is the slot in the lifecycle: A11y Pulse is the run-time tool, axe DevTools is the build-time tool. Deque maintains the engine both products lean on, and the broader ecosystem is healthier for that choice. Many teams keep both.

  • axe-core daily across your full sitemap
  • Real Chrome so JS-rendered and authenticated content is covered
  • Email, Slack, and Microsoft Teams alerts on regression
  • Monthly stakeholder reports comparing 30-day deltas
An A11y Pulse PDF accessibility report showing the executive summary with the site's accessibility score, issues found and audits passed, each with deltas against the scan from four weeks earlier.

The verdict

When each tool is the right call

Choose

A11y Pulse

  • Your priority is catching regressions in production, not pre-merge
  • You manage many pages and want every one scanned daily
  • You want regression alerts in Slack or Teams within hours
  • You want stakeholder-friendly monthly reports without building them
  • Per-seat developer-tool pricing doesn't match how you'd actually use the tool
  • Published pricing matters for budgeting and procurement

Choose

axe DevTools

  • Your priority is preventing accessibility issues from being written in the first place
  • Your team values IDE integration, linting, and PR blocking heavily
  • Intelligent Guided Tests for manual checks are part of your workflow
  • You want a static-code linter that fails CI on accessibility violations
  • You're buying primarily for a development team and per-seat pricing fits

The information presented here about A11y Pulse and axe DevTools is provided for comparison purposes and may change over time. Pricing and feature claims about axe DevTools should be verified on their own website before making a purchasing decision.

Add the production layer to your axe stack

30-day free trial, no credit card. The same axe-core engine, daily, across your whole site. First scan tonight.
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