Chromatic is a component-level visual, interaction, and accessibility testing tool built around Storybook (also supporting Playwright and Cypress), with…
Best for Chromatic: Chromatic fits teams using Storybook (or Playwright/Cypress) who want automated UI review workflows and TurboSnap's re-test-only-what-changed approach, with a free tier covering 5,000 snapshots/month.
Best for TestingBot: TestingBot fits teams needing real browser and physical device testing at scale (6,100+ browsers/devices) across many automation frameworks, with EU-hosted infrastructure for GDPR compliance, starting at €20/month for unlimited live/manual testing.
At a Glance
Chromatic
TestingBot
Primary category
Developer Tools
Developer Tools
Rating
Not documented
Not documented
Pricing model
Freemium
subscription (with pay-as-you-go credits)
Starting price
Free (5,000 snapshots/month); paid plans from $149/month
From EUR20/month (Live plan, billed annually)
Free plan
Yes
Yes
Free trial
Not documented
Yes
Platforms
Web
Web, iOS, Android
Team collaboration
Not documented
Not documented
AI features
Not documented
Yes
Public API
Yes
Not documented
Key Differences
Testing Scope
Chromatic: Focused on UI components via Storybook, plus Playwright/Cypress support, for visual, interaction, and accessibility testing.
TestingBot: Full application testing across 6,100+ real browsers and devices, spanning live/manual, automated, and visual regression testing.
Component-level checks and full-app cross-browser checks solve different problems and often coexist in a test strategy.
Pricing Structure
Chromatic: Scales by billed snapshots: 5,000 free, 35,000 at $179/month (Starter), 85,000 at $399/month (Pro).
TestingBot: Scales by parallel test count and monthly minutes: €20/month (Live) for unlimited live/visual testing, €50/month (Automated) for 1,000-20,000 minutes.
Teams with large component libraries may find snapshot-based pricing costly, while teams running many parallel automated tests need to check minute and parallel limits.
Real Device Access
Chromatic: Tests rendered components/browsers via its own cloud, not physical device hardware.
TestingBot: Provides access to real iOS and Android physical devices in addition to browsers.
Mobile-web validation on actual hardware requires real device access that Chromatic doesn't offer.
AI-Driven Testing
Chromatic: Not documented as offering AI test generation.
TestingBot: Offers codeless test creation via natural language and MCP-based REST API access for AI assistants like Claude and Cursor.
Teams wanting to generate tests from natural language or connect AI coding assistants need TestingBot's MCP support.
Company History & Hosting
Chromatic: Founding year and headquarters not documented.
TestingBot: Founded 2011, headquartered in Moerbeke-Waas, Belgium, with EU-hosted GDPR-compliant infrastructure.
EU-based companies with data residency requirements need documented EU hosting.
Feature-by-Feature
Testing Types
Feature
Chromatic
TestingBot
Visual regression testing
Available
Available
Accessibility testing
Available
Available
Interaction testing
Available
Not documented
Manual/live testing
Not documented
Available
AI/codeless test creation
Not documented
Available
Infrastructure & Frameworks
Feature
Chromatic
TestingBot
Real physical devices (iOS/Android)
Not documented
Available
Framework support
Available
Available
Browser/device count
Not documented
Available
CI/CD integration
Available
Not documented
Pricing & Access
Feature
Chromatic
TestingBot
Free tier
Available
Available
Entry paid price
Available
Available
SSO
Available
Available
Open-source project program
Available
Not documented
Pricing Compared
Starting price reflects the lowest paid tier, not the full cost for every team size or usage level.
Chromatic
Free — Free Monthly
Starter — $149/month Monthly
Team — Custom (negotiable overage) Monthly
Enterprise — Custom Custom
TestingBot
Live — From EUR20/month annual (or EUR30/month month-to-month)
Automated — From EUR50/month annual (or EUR70/month month-to-month)
Automated Pro — From EUR90/month annual (or EUR120/month month-to-month)
Enterprise — Custom annual (quoted)
Pay-as-you-go — From EUR60 (1,000 minutes) one-time credit purchase
Pros & Cons
Chromatic
Pros
Deepest available integration with Storybook, since both are built by the same team
Generous free tier (5,000 snapshots/month) makes it accessible for smaller and open-source projects
TurboSnap keeps CI run times reasonable by only re-testing affected components
Used in production by well-known engineering teams (BBC, Mozilla, Adobe, Square)
Cons
Pricing is driven by snapshot volume, which can become expensive for large component libraries with frequent commits
Most value is realized by teams already using Storybook; less compelling for teams without a component-driven workflow
Team and Enterprise pricing above the entry paid tier requires negotiation rather than fully transparent self-serve rates
Focused specifically on visual/UI testing rather than full end-to-end application testing
TestingBot
Pros
Typically 30 to 40 percent cheaper than BrowserStack and Sauce Labs for comparable coverage
Real device testing included in every paid plan rather than gated to top tiers
EU-based data hosting appeals to GDPR-conscious teams
Pay-as-you-go credits available for teams with irregular testing volume
Responsive support from a small, focused team
Cons
Smaller company size than major competitors may mean fewer enterprise-scale integrations
Automated plan's minute limits can be restrictive for high-volume testing without upgrading
Device and browser catalog, while large, is smaller than the biggest industry players
Documentation and community resources are less extensive than larger competitors
Use Cases
Choose Chromatic: Chromatic fits teams using Storybook (or Playwright/Cypress) who want automated UI review workflows and TurboSnap's re-test-only-what-changed approach, with a free tier covering 5,000 snapshots/month.
Choose TestingBot: TestingBot fits teams needing real browser and physical device testing at scale (6,100+ browsers/devices) across many automation frameworks, with EU-hosted infrastructure for GDPR compliance, starting at €20/month for unlimited live/manual testing.
Need both: A frontend team could use Chromatic for component-level visual regression testing within Storybook during development, then use TestingBot to run full end-to-end automated and cross-browser/device tests against the deployed application — the two operate at different layers (component vs. full application/device coverage) rather than competing directly.
Chromatic
Catching visual regressions in CI — Frontend teams add Chromatic to their CI pipeline so every pull request automatically gets a visual diff report before code is merged.
Design and engineering review — Designers and engineers use Chromatic's UI review workflow to approve or flag visual changes to shared component libraries and design systems.
Component library maintenance — Open-source and internal component library maintainers use Chromatic's free tier to catch breaking visual changes across many consumers of a shared UI library.
TestingBot
Automated regression testing — QA teams run Selenium or Playwright regression suites against real browsers on every deployment.
Manual cross-browser QA — Testers manually verify how a website renders and behaves on specific real browsers and devices before release.
Mobile app testing — Mobile teams test native iOS and Android apps on real physical devices before publishing to app stores.
Frequently Asked Questions
Which offers real physical device testing?
TestingBot provides real iOS and Android devices; Chromatic does not document physical device access.
How is pricing structured differently?
Chromatic bills by snapshot volume ($179/month for 35,000 snapshots), while TestingBot bills by parallel tests and minutes (€50/month for 1,000-20,000 minutes) or a flat unlimited live-testing rate at €20/month.
Does either support AI-assisted test creation?
TestingBot offers codeless AI testing via natural language and MCP servers for tools like Claude and Cursor; this isn't documented for Chromatic.
Which is built specifically for Storybook?
Chromatic, built by the Storybook team, though it also supports Playwright and Cypress.
Which is EU-hosted?
TestingBot, headquartered in Moerbeke-Waas, Belgium, with GDPR-compliant EU infrastructure; this isn't documented for Chromatic.
Do both offer free tiers?
Yes — Chromatic's free plan includes 5,000 billed snapshots/month, and TestingBot offers a 14-day free plan with no credit card required.