Siteimprove vs Stark
On the evidence we track, Stark leads this comparison with a composite score of 54/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for accessibility testing. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Siteimprove
An integrated platform that helps organizations ensure content compliance and performance by combining accessibility testing, search optimization, content strategy tools, and analytics through continuous AI-powered monitoring and automated remediation guidance.
Stark
LeaderAn end-to-end accessibility platform for designers, engineers, and QA teams. Provides WCAG audits, automated scanning via browser extensions and design plugins, continuous monitoring, and integration with development workflows across web and mobile platforms.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Stark
LeaderFrom $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
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Siteimprove
- Adobe Experience Manager
- Optimizely
- WordPress
- Drupal
- TYPO3
- Sitecore
- Google Analytics
- Kentico Xperience
- Umbraco
- Magnolia CMS
- Jahia
- CoreMedia
- Tridion
- Cascade
- FirstSpirit
- Enonic
- Plone
- SiteVision
- Sitefinity
- govAccess
- Sitebox
- Percussion
- IPROX-CMS
- i:Create
- +1 more
Stark
Leader- Figma
- Sketch
- GitHub
- Chrome
- Arc
- Safari
- Microsoft Edge
- Brave
- Storybook
- React
- iOS
- Android
- Claude
Siteimprove or Stark: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.