Compare
Jest vs Storybook
Storybook isolates UI components for visual testing, whereas Jest tests logic and behavior.
Which to pick
Pick Jest if you want…
- Zero-config JavaScript testing
- JavaScript unit testing
- Integrations with Babel, TypeScript or Node (on Jest's list, not Storybook's)
Pick Storybook if you want…
- Isolated UI component development
- UI component isolation
- Integrations with HTML5 (on Storybook's list, not Jest's)
Jest: A unit testing framework; lacks UI component isolation and documentation features
Side by side
- What it is
- Jest:Jest is a JavaScript testing framework that provides zero-config unit, snapshot, and coverage testing.
- Storybook:Storybook is an open-source frontend workshop for building, testing, and documenting UI components in isolation.
- Best for
- Jest:Zero-config JavaScript testing
- Storybook:Isolated UI component development
- Who it’s for
- Jest:JavaScript developers needing fast, reliable tests.
- Storybook:Frontend developers and design systems teams
- Pricing
- Jest:Open source
- Storybook:Free
- Open source
- Jest:Yes, 45,459 GitHub stars
- Storybook:Yes, 91,193 GitHub stars
- Works with
- Jest:Babel, TypeScript, Node, React, Angular, Vue
- Storybook:React, Vue, Angular, HTML5
Jest features
- Zero config. Works out of the box on most JavaScript projects without needing configuration.
- Snapshot testing. Creates and compares snapshots of large objects inline or alongside tests.
- Parallel isolation. Runs tests in separate processes for maximum performance and reliable global state.
- Built-in code coverage. Generates coverage reports with the --coverage flag, no extra setup required.
- Easy mocking. Custom resolver and Mock Functions API let you mock imports and spy on calls easily.
- Rich assertions. Provides a comprehensive expect API with detailed failure messages.
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.
Jest vs Storybook FAQ
Is Jest or Storybook free?+
Yes, both are free, and Jest is open source.
Is Jest or Storybook open source?+
Yes, both are open source: Jest (jestjs/jest on GitHub, MIT license) and Storybook (storybookjs/storybook on GitHub, MIT license).
Do Jest and Storybook integrate with the same tools?+
Partly. Both list React, Angular and Vue. Jest also lists Babel, TypeScript and Node; Storybook also lists HTML5.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.