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What Percy and Chromatic do
Both services capture rendered interfaces, compare them with accepted baselines, and present visual changes for review. Their practical difference is less about the basic comparison and more about where captures come from, what reviewers inspect, and how usage is counted.
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Chromatic’s documented workflow is centered on Storybook stories, while it also documents integrations for Vitest, Playwright, and Cypress. BrowserStack’s Percy documentation describes a Percy SDK and a BrowserStack SDK path, with integrations including Storybook, Cypress, Playwright, Selenium, Puppeteer, and WebdriverIO. Percy can also be used with BrowserStack Automate to configure browser and platform combinations.
Which workflow fits your team?
Choose Chromatic for a Storybook-first component workflow
- Your stories already represent the reusable components and interface states you want to test.
- You want reviewers to inspect component-level changes and manage component baselines across branches and merges.
- You are comfortable sending a Storybook build or test archive to Chromatic’s cloud for testing.
Chromatic’s official Storybook addon can run visual checks from Storybook. Its documented flow creates baseline snapshots on the first build, then lets the team review later changes before accepting updated baselines. Chromatic recommends using the addon during development and CI checks before merge.
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Chromatic also documents a Playwright integration that extends Playwright’s test and expect utilities and captures page archives for cloud review. Its documentation specifies Playwright 1.38.0 or later. It notes that projects not linked to a supported repository do not get automatic pull-request checks unless the team wires those up separately; verify current version and repository-provider requirements during evaluation.
Choose Percy for visual checks inside a broader test suite
- Your application states are reached primarily through browser automation or end-to-end tests rather than Storybook stories.
- You want to add snapshots at chosen points in an existing supported test workflow, or use Percy’s documented automatic capture options.
- BrowserStack Automate is already part of your setup, or you need its configurable browser and platform combinations.
- You want a no-script or CLI route for a static site, an evaluation, or ad-hoc captures.
Percy’s documented workflow is to integrate captures into tests, run builds, and review visual differences. BrowserStack also documents a BrowserStack SDK integration, alongside Percy SDK integrations. The exact setup depends on your framework and test runner, so check current integration support for the versions you use.
When both fit
Run a representative CI workflow with your real stories or test flows before choosing. Compare setup effort, review effort, diff noise with realistic content, the browser and version combinations you actually need, and projected usage. Product documentation describes workflows and integrations; it does not establish which service is faster, more accurate, or less flaky in your repository.
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Compare review units, browser coverage, and integrations
| Decision area | Chromatic | Percy | What to verify |
|---|---|---|---|
| Starting point | Storybook stories are its strongest documented fit; integrations are also documented for Vitest, Playwright, and Cypress. | Percy SDK and BrowserStack SDK integrations cover a broad set of frameworks; CLI and no-script paths are also documented. | Are the states you care about already encoded as stories, or reached through end-to-end flows? |
| Review unit | Story- and component-oriented; Chromatic describes component baselines across branches and merges. | Snapshot and build review; captures can be automatic or requested at selected test points. | Do reviewers need to inspect reusable component states or complete application flows? |
| Browser setup | Documentation lists Chrome, Firefox, Safari, and Edge; availability varies by plan. | BrowserStack documents Chrome, Firefox, Edge, and Safari, and Automate can configure browser and OS versions. | Check required versions, operating systems, devices, and which are available on the plan you would use. |
| Usage unit | Plans count billed snapshots; TurboSnap can reduce usage by reusing unaffected snapshots. | Usage is counted in screenshots; browser and responsive-width permutations count separately. | Estimate your real stories or pages multiplied by viewports and browsers instead of comparing headline totals. |
| Team scale | The pricing page lists unlimited collaborators and parallel test runs. | The documented free plan lists unlimited users and projects; paid allocations and overages apply. | Check plan-specific permissions, support, retention, and usage limits in current vendor terms. |
How pricing and usage compare
Chromatic’s official pricing page, accessed October 3, 2026, lists these monthly plans and billed-snapshot allowances:
| Chromatic plan | Listed monthly price | Billed snapshots |
|---|---|---|
| Free | $0 | 5,000 |
| Starter | $179/month | 35,000 |
| Pro | $399/month | 85,000 |
The same page lists unlimited parallel test runs. These are vendor-listed terms accessed on October 3, 2026, and may change; check Chromatic’s live pricing before purchase.
BrowserStack Percy’s official plans documentation, accessed October 3, 2026, lists 5,000 free monthly screenshots, unlimited users, and unlimited projects for its free plan. It says paid plans include a fixed screenshot allocation and usage above that allocation is treated as overage. The reviewed official documentation does not state a comparable paid-plan price.
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These units are not interchangeable. BrowserStack defines a screenshot as one rendering for an individual browser and responsive width, so one Percy snapshot may contain multiple screenshot permutations. Chromatic counts billed snapshots, and says TurboSnap tracks file changes so unaffected tests can reuse previous snapshots and count less toward usage. Estimate the combinations your own suite will generate before comparing allowances. Chromatic’s own Percy comparison page, updated August 2026, gives a different framing of Percy paid-plan allocations; it is a competitor-authored comparison, not a current BrowserStack price quote.
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Chromatic’s official documentation lists Chrome, Firefox, Safari, and Edge, with tests run in parallel; its pricing page says browser availability varies by plan. Percy supports browser selection through its defaults or BrowserStack Automate. BrowserStack’s documentation describes configurable browser and OS versions through Automate and says each selected browser adds a separate screenshot to usage.
Do not assume either service automatically covers every browser, version, operating system, device, or plan. Write down the specific combinations your users and support policy require, then confirm that the selected product and plan can run them.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What to evaluate in a trial
- Choose representative UI states. Include ordinary pages, important component variants, and states with realistic dynamic content.
- Run the workflow you expect to keep. For Chromatic, try the Storybook or supported test integration you would use in development and CI. For Percy, integrate with the existing test runner or evaluate the documented CLI/no-script route if that matches your use case.
- Measure review work, not just setup. Observe how reviewers find the changed element, distinguish intended changes from noise, and accept or reject baselines.
- Configure real browser and viewport needs. Confirm availability and estimate how selected browsers and responsive widths multiply Percy screenshot usage.
- Project recurring volume. Use actual stories, pages, test runs, and capture permutations to estimate monthly usage. For Chromatic, check how TurboSnap affects the tests that change in your repository.
- Check team and CI requirements. Verify repository linking, pull-request checks, plan limits, access controls, retention, support, and overage rules against current vendor terms.
Limitations neither tool removes
Visual comparisons are only as useful as the states your suite captures and the stability of the rendered application. A green check does not prove that all relevant pages or states were tested. Teams still need to review differences: accept deliberate design changes and fix accidental ones. Dynamic content, inconsistent test data, and unstable rendering can complicate diffs, so include realistic content in an evaluation rather than judging from a pristine demo alone.
ScreenshotNeo is a separate option for screenshot capture
If the need is to request clean website screenshots through an API, rather than run hosted visual-regression reviews against accepted baselines, try ScreenshotNeo first. It is a website screenshot API and MCP server, not a direct replacement for Percy or Chromatic’s baseline-review workflow. It removes known consent banners, newsletter popups, and chat widgets before capture, and only clean shots are billed: bot checks or CAPTCHAs, blank pages, timeouts, failed loads, and cache hits cost nothing. Responses identify the page verdict and billing status in headers. Its MCP server lets AI agents use screenshot, page-info, and PDF-capture tools.
ScreenshotNeo offers 1,000 shots a month free with no card; paid plans start at $5 for 3,000 shots. Sign up for the free plan.
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