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Storybook vs Windmill

Storybook logo

Storybook

Technology

Build component driven UIs faster

From
Free
Rated
-
Full reviewWebsite
Windmill logo

Windmill

Automation Integration

Open-source developer platform for building scripts, workflows, and internal apps

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Storybook requires JavaScript framework knowledge for full utilization; Windmill free self-hosted tier caps SSO users at 10 and workspaces at 3, requiring Enterprise for larger teams.
  • They diverge on capability: Storybook covers Component isolation, Windmill covers Script-to-workflow engine.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Storybook and Windmill actually diverge.

Attributes where Storybook and Windmill differ
AttributeStorybookWindmill
Pricing modelUnknownopen-source
PlatformsWeb, React Native, iOS, Android, Flutterweb, api, linux, windows, mac
CategoryTechnologyAutomation Integration
Founded2017Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Storybook

  • Component isolation
  • Interactive development
  • Visual testing
  • Documentation generation
  • Accessibility testing
  • Interaction testing
  • Addons ecosystem
  • Hot module reloading

Only in Windmill

  • Script-to-workflow engine
  • Auto-generated UIs
  • Self-hosted deployment
  • Git sync
  • SSO support
  • Audit logs

What people use each for

The jobs each tool is most often brought in to do.

Storybook

  • Component developmentnot Windmill
  • Design system documentationnot Windmill
  • Visual regression testingnot Windmill
  • UI component showcasenot Windmill
  • Team collaborationnot Windmill

Windmill

  • Turning ad-hoc scripts into scheduled jobs and APIsnot Storybook
  • Building internal tools from existing Python/TypeScript codenot Storybook
  • Self-hosted automation for engineering teamsnot Storybook
  • Orchestrating multi-language workflowsnot Storybook

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Storybook

  • Requires JavaScript framework knowledge for full utilization
  • Limited native support for non-web platforms compared to specialized tools

Windmill

  • Free self-hosted tier caps SSO users at 10 and workspaces at 3, requiring Enterprise for larger teams.
  • Compute unit and seat-based pricing (developer vs. operator seats, worker compute units) adds pricing complexity beyond a flat monthly fee.
  • Email triggers are capped at 100/day on the free tier, limiting event-driven use cases without upgrading.
  • Smaller ecosystem of pre-built integrations compared to more established automation tools like n8n.

Pricing, plan by plan

Storybook

Free

No published plan breakdown. See the Storybook review.

Windmill

Free
  • Free / Open-sourceFree
    • Unlimited executions
    • Self-hosted deployment
    • Max 10 users with SSO
  • Enterprise$120/month
    • Unlimited executions and workspaces
    • Uncapped SSO seats
    • 24/7 priority support (3-hour response)

Which should you pick?

Choose Storybook if

  • You need component isolation.
  • You want to start without paying.
  • You work on Web, React Native, iOS, Android, Flutter.
  • You also want interactive development.
Storybook review

Choose Windmill if

  • You need script-to-workflow engine.
  • You want to start without paying.
  • You work on web, api, linux, windows, mac.
  • You also want auto-generated uis.
Windmill review

Questions people ask

Is Storybook or Windmill better?
Neither clearly leads. Storybook starts at Free and Windmill at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Storybook or Windmill?
Storybook starts at Free and Windmill at Free.
Does Storybook or Windmill run on more platforms?
Storybook runs on Web, React Native, iOS, Android, Flutter. Windmill runs on web, api, linux, windows, mac.
Can I use Storybook for free?
Both have a free tier, so you can try either at no cost before committing.
What is Storybook best used for?
Storybook is most often used for component development, design system documentation, visual regression testing, ui component showcase. Of those, component development and design system documentation are not what Windmill is typically brought in for.
What can Storybook do that Windmill cannot?
Storybook covers Component isolation, Interactive development, Visual testing, Documentation generation. Windmill covers Script-to-workflow engine, Auto-generated UIs, Self-hosted deployment, Git sync.

Answered from the vendors’ own pages

Storybook: Is Storybook free and open source?

Yes, Storybook is completely free and open source with source code hosted on GitHub. It has 2,282 contributors and approximately 83.58 million monthly installations.

Source
Windmill: What does Windmill cost?

Windmill's Free and Open-source edition is $0/month for self-hosted use with unlimited executions, while Enterprise starts at $120/month with unlimited workspaces and uncapped SSO seats, priced further by developer/operator seats and compute units.

Source
Storybook: What frameworks does Storybook support?

Storybook integrates with React, Vue, Angular, Svelte, and has been extended to support React Native, Android, iOS, and Flutter for mobile development.

Source
Windmill: Is there a free plan and what are its limits?

The free self-hosted plan supports unlimited executions but caps SSO at 10 users, workspaces at 3, groups/permissions at 4, and email triggers at 100 per day.

Source
Storybook: What are the main capabilities of Storybook?

Storybook enables component development in isolation, interaction testing, visual testing, documentation, and sharing components with designers and stakeholders.

Source
Windmill: How is usage metered on Windmill Enterprise?

Enterprise usage is metered through seats (developer seats at $20/month, operator seats at $10/month) and compute units, e.g. $100/month for 2 standard-worker compute units.

Source
Storybook: How is Storybook maintained?

Storybook is maintained by a community of 2,282 contributors. It originated from a startup called Kadira, was handed to the community in 2017, and has been community-driven since Storybook 3.0.

Source
Windmill: What happens to a self-hosted Windmill deployment if the company shuts down?

The pricing page addresses this directly as an FAQ topic, noting that self-hosted applications built on the open-source edition can continue running independently of Windmill the company.

Source
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