Accessibility Insights vs Pa11y: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Accessibility Insights and Pa11y side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Accessibility Insights
Solve accessibility issues in web and Windows applications before they reach your customers.
Best for you if:
- • You want a fully free tool (Pa11y requires payment)
Pa11y
Free and open-source tools to help designers and developers make web pages more accessible.
Best for you if:
- • You want completely free and open-source
| At a Glance | Accessibility Insights | Pa11y |
|---|---|---|
Starts at | Free 100% free | Free plan |
Category | Testing & QA Developer Tools | Testing & QA Developer Tools |
Rating | n/a | n/a |
Free plan | Yes | Yes |
Choose Accessibility Insights or Pa11y?
Choose Accessibility Insights if
- You want a fully free tool (Pa11y requires payment)
- You want free and open-source
- You want easy to use for developers
Choose Pa11y if
- You want completely free and open-source
- You want offers multiple tools for different use cases (CLI, Dashboard, Webservice, CI)
In-Depth Analysis
Accessibility Insights
Solve accessibility issues in web and Windows applications before they reach your customers.
Strengths
- Pro: Free and open-source
- Pro: Easy to use for developers
- Pro: Quickly identifies common, high-impact issues
- Pro: Supports both web and Windows applications
- Pro: Provides guidance on how to fix issues
Weaknesses
- Con: Requires some HTML skills for full web assessment
- Con: Telemetry data collection (optional)
Key features
Pa11y
Free and open-source tools to help designers and developers make web pages more accessible.
The pricing for Pa11y is exceptionally generous as all tools are completely free.
Strengths
- Pro: Completely free and open-source
- Pro: Offers multiple tools for different use cases (CLI, Dashboard, Webservice, CI)
- Pro: Helps track accessibility trends over time with graphs
- Pro: Supports integration into continuous integration workflows
Weaknesses
- Con: Requires some technical knowledge for CLI and Webservice tools
- Con: Dashboard might require setup and hosting by the user
Key features
Plans and prices: Accessibility Insights vs Pa11y
| Tool | Plans and prices | Source |
|---|---|---|
| Accessibility Insights | No plan prices on file | accessibilityinsights.io |
| Pa11y |
| pa11y.org read Oct 4, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Accessibility Insights pricing and Pa11y pricing.
Key Takeaways
Accessibility Insights
- Choose if you want solve accessibility issues in web and Windows applications before they reach your customers
Pa11y
- Choose if you want free and open-source tools to help designers and developers make web pages more accessible
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Accessibility Insights and Pa11y compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Both have a free plan.
What are Accessibility Insights and Pa11y used for?
Accessibility Insights: Solve accessibility issues in web and Windows applications before they reach your customers. Pa11y: Free and open-source tools to help designers and developers make web pages more accessible.
What does Accessibility Insights cost vs Pa11y?
Accessibility Insights is free. Pa11y has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Oct 4, 2026.
What's the main difference between Accessibility Insights and Pa11y?
Accessibility Insights's main strength: free and open-source. Pa11y's main strength: completely free and open-source.