Comparison

axe-core vs Stark

No leader: the top candidate axe-core has only 0.32 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

axe-core full profile →Stark full profile →

Machine formatsJSON Markdown GraphQLor send Accept: application/json

axe-core67

Stark61

Attribute comparison across 2 tools
Attribute	axe-core	Stark
Vioscale score	67 / 100low · 32%updating	61 / 100medium · 55%updating
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	freemium
Price levelpricing.price_level	free	high
Starting pricepricing.starting_price	-	$2,500
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	7	12
Security
Disclosure policysecurity.disclosure_policy	-	✓
Gdprsecurity.gdpr	-	✓
Scorecardsecurity.scorecard	6.5	-
Soc2security.soc2	-	✓
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=axe-core&per_page=100 · Last 12m: 0	-
Adoption
Dependent reposadoption.dependent_repos	1,185,064	-
Github starsadoption.github_stars	7,446	-
Activity
Commits last 30dactivity.commits_last_30d	37	-
Release
Cadence daysrelease.cadence_days	50	-
Historyrelease.history	20 items	-
License
Spdxlicense.spdx	MPL-2.0	-
Language
Primarylanguage.primary	JavaScript	-
Market
Availabilitymarket.availability	Available worldwide	Available worldwide

Score

Vioscale score

axe-core67 / 100low · 32%updating

Stark61 / 100medium · 55%updating

Pricing

Free tier

axe-core✓

Stark✓

Model

axe-corecommercial

Starkfreemium

Price level

axe-corefree

Starkhigh

Starting price

axe-core–

Stark$2,500

Transparent

axe-core✓

Stark✓

Integrations

Count

axe-core7

Stark12

Security

Disclosure policy

axe-core–

Stark✓

Gdpr

axe-core–

Stark✓

Scorecard

axe-core6.5

Stark–

Soc2

axe-core–

Stark✓

Vulnerabilities

axe-coreCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=axe-core&per_page=100 · Last 12m: 0

Stark–

Adoption

Dependent repos

axe-core1,185,064

Stark–

Github stars

axe-core7,446

Stark–

Activity

Commits last 30d

axe-core37

Stark–

Release

Cadence days

axe-core50

Stark–

History

axe-core20 items

Stark–

License

Spdx

axe-coreMPL-2.0

Stark–

Language

Primary

axe-coreJavaScript

Stark–

Market

Availability

axe-coreAvailable worldwide

StarkAvailable worldwide

Capabilities

Feature-by-feature on the axes that matter for accessibility testing. “-” means undocumented, not absent.

Capability comparison for Accessibility Testing
Capability	axe-core	Stark
Capabilities
Scan method	-	Automated rules engine
Wcag level	-	AA
Ci cd integration	-	✓
Browser extension	-	✓
Design stage plugin	-	✓
CMS plugins	-	-
Continuous monitoring	-	✓
Vpat acr generation	-	✓
Manual audit service	-	-
Overlay widget	-	-
Document PDF testing	-	-
Open source	-	-

Capabilities

Scan method

axe-core-

StarkAutomated rules engine

Wcag level

axe-core-

StarkAA

Ci cd integration

axe-core-

Stark✓

Browser extension

axe-core-

Stark✓

Design stage plugin

axe-core-

Stark✓

CMS plugins

axe-core-

Stark-

Continuous monitoring

axe-core-

Stark✓

Vpat acr generation

axe-core-

Stark✓

Manual audit service

axe-core-

Stark-

Overlay widget

axe-core-

Stark-

Document PDF testing

axe-core-

Stark-

Open source

axe-core-

Stark-

What each one is

The product in its own terms, so the numbers below have context.

axe-core

An open-source JavaScript testing framework that analyzes websites and HTML-based interfaces to identify accessibility violations and compliance issues. It integrates into existing test environments and returns detailed violation reports in JSON format.

Independently observed

Stark

Integrated platform that helps teams detect and remediate accessibility problems throughout the design and development lifecycle, combining automated scanning with continuous monitoring and real-time compliance reporting.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

axe-core

Open sourceFree tier

as of 2026-08-17verify ↗

Stark

from $2500/yrSubscriptionFree tier

From $198/user/year (Premium Pack, minimum 3 seats) or from $2,500/year (Launch plan). Free tier available.

Premium Pack$198/user/year (minimum 3 seats)
- Automated detection and remediation tooling (Figma only)
- Automatic WCAG scans and reports in browser
- Live code highlighting in browser web dev console
Launch$2,500/year
- 25 viewers included
- Monitor up to 100 pages
- Weekly automated scans and reports
- Supported assets: Figma, code repos, public URLs
- 30-day report data storage
- +1 more
Grow$8,000/year
- 50 viewers included
- Monitor up to 1000 pages
- Daily scans and insight reports
- Supported assets: Figma, code repos, CI/CD, iOS, Android, public and private URLs
- 180-day report data storage
- +4 more
ScaleContact sales
- Unlimited viewers
- Monitor up to 4000 pages
- Real-time scans and insights reports
- 365-day report data storage
- Single Sign-On (SSO) and JIT provisioning
- +3 more

as of 2026-08-25verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	axe-core	Stark
WebPlatforms	✓	✓
iOSPlatforms	✗	✓
AndroidPlatforms	✗	✓
macOSPlatforms	✗	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✗

Platforms

Web

axe-core✓

Stark✓

iOS

axe-core✗

Stark✓

Android

axe-core✗

Stark✓

macOS

axe-core✗

Stark✓

CLI

axe-core✓

Stark✓

Deployment

Cloud / SaaS

axe-core✓

Stark✓

Self-hosted

axe-core✓

Stark✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

axe-core

7 total

VS Code (axe-linter extension)
npm/pnpm (package manager)
GitHub Actions
Puppeteer
Selenium
Jest
Testing frameworks

Independently observed

Stark

12 total

Figma
Sketch
GitHub
Chrome
Arc
Safari
Microsoft Edge
Brave
Storybook
React
iOS
Android

Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.