Siteimprove vs Stark
On the evidence we track, Stark leads this comparison with a composite score of 61/100. 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
Siteimprove is a SaaS platform that helps teams ensure digital content meets accessibility standards, performs well in search engines, and maintains consistent quality. AI agents provide real-time guidance and automation throughout content creation and website management workflows.
Stark
LeaderIntegrated 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.
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
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.