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Storybook vs VizDiff
Storybook is a UI component development environment, not a visual regression tester.
Which to pick
Pick Storybook if you want…
- Isolated UI component development
- Component isolation and documentation
- Integrations with React, Vue or Angular (on Storybook's list, not VizDiff's)
Pick VizDiff if you want…
- Automated visual diffing for Storybook
- Integrations with Storybook, GitLab CI or GitLab Merge Requests (on VizDiff's list, not Storybook's)
Side by side
- What it is
- Storybook:Storybook is an open-source frontend workshop for building, testing, and documenting UI components in isolation.
- VizDiff:VizDiff automates visual regression testing for Storybook components in GitLab CI.
- Best for
- Storybook:Isolated UI component development
- VizDiff:Automated visual diffing for Storybook
- Who it’s for
- Storybook:Frontend developers and design systems teams
- VizDiff:Frontend teams using Storybook and GitLab CI who need visual regression testing.
- Pricing
- Storybook:Free
- VizDiff:Subscription
- Open source
- Storybook:Yes, 91,193 GitHub stars
- VizDiff:Yes, 1 GitHub stars
- Works with
- Storybook:React, Vue, Angular, HTML5
- VizDiff:Storybook, GitLab CI, GitLab Merge Requests
Storybook features
- Component isolation. Build UI components and pages without needing data, APIs, or business logic.
- Story-based testing. Capture known-good component states as stories for visual, interaction, and accessibility tests.
- Automatic documentation. Generate searchable UI docs and Markdown pages directly from component stories.
- CI integration. Add Storybook as a CI step to automate UI workflow and catch regressions early.
- Add-ons ecosystem. Extend functionality with 400+ community add-ons for controls, visual testing, and more.
- Framework support. Works with React, Vue, Angular, and plain HTML5 projects.
VizDiff features
- Storybook Integration. Runs visual tests directly on components from your existing Storybook setup.
- GitLab Merge Requests. Shows screenshot diffs inside GitLab merge requests for easy approval or rejection.
- Pixel-Perfect Diffing. Highlights pixel-level UI differences to quickly spot visual bugs.
- Team Collaboration. Shares baselines and review results across the team within a unified UI.
Storybook vs VizDiff FAQ
Is Storybook or VizDiff free?+
Storybook is free. VizDiff is listed on DevHunt as a paid subscription.
Is Storybook or VizDiff open source?+
Yes, both are open source: Storybook (storybookjs/storybook on GitHub, MIT license) and VizDiff (vizdiff-io/cli on GitHub, MIT license).
Do Storybook and VizDiff integrate with the same tools?+
Their integration lists don't overlap: Storybook lists React, Vue, Angular and HTML5; VizDiff lists Storybook, GitLab CI and GitLab Merge Requests.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.