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Storybook vs Violentmonkey

Storybook logo

Storybook

Technology

Build component driven UIs faster

From
Free
Rated
-
Full reviewWebsite
Violentmonkey logo

Violentmonkey

Browser Extensions

Open source userscript manager

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Storybook requires JavaScript framework knowledge for full utilization; Violentmonkey smaller script ecosystem compared to Tampermonkey which has larger user base and more available scripts
  • They diverge on capability: Storybook covers Component isolation, Violentmonkey covers Userscript support.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Storybook and Violentmonkey actually diverge.

Attributes where Storybook and Violentmonkey differ
AttributeStorybookViolentmonkey
PlatformsWeb, React Native, iOS, Android, FlutterChrome, Firefox, Edge
CategoryTechnologyBrowser Extensions
Founded20172013

Identical on both: starting price (Free), pricing model (Unknown), 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 Violentmonkey

  • Userscript support
  • Clean interface
  • Cloud sync
  • Script editor
  • Chrome support
  • Firefox support
  • Edge support
  • Opera support

What people use each for

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

Storybook

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

Violentmonkey

  • Run open-source userscripts to customize or automate web pagesnot Storybook
  • Import scripts compatible with Greasemonkey and Tampermonkey formatsnot Storybook
  • Sync scripts and settings across browsers via Dropbox, OneDrive, Google Drive, or WebDAVnot Storybook
  • Batch import/export scripts as zip filesnot 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

Violentmonkey

  • Smaller script ecosystem compared to Tampermonkey which has larger user base and more available scripts
  • Less marketing and visibility results in lower adoption compared to more widely-known alternatives
  • Community maintenance model means slower feature development compared to commercial alternatives

Pricing, plan by plan

Storybook

Free

No published plan breakdown. See the Storybook review.

Violentmonkey

Free

No published plan breakdown. See the Violentmonkey review.

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 Violentmonkey if

  • You need userscript support.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge.
  • You also want clean interface.
Violentmonkey review

Questions people ask

Is Storybook or Violentmonkey better?
Neither clearly leads. Storybook starts at Free and Violentmonkey at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Storybook or Violentmonkey?
Storybook starts at Free and Violentmonkey at Free.
Does Storybook or Violentmonkey run on more platforms?
Storybook runs on Web, React Native, iOS, Android, Flutter. Violentmonkey runs on Chrome, Firefox, Edge.
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 Violentmonkey is typically brought in for.
What can Storybook do that Violentmonkey cannot?
Storybook covers Component isolation, Interactive development, Visual testing, Documentation generation. Violentmonkey covers Userscript support, Clean interface, Cloud sync, Script editor.

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
Violentmonkey: Is Violentmonkey open-source?

Yes. Violentmonkey is fully open-source and available on GitHub, making it free to use and community-maintained unlike Tampermonkey which has a larger proprietary ecosystem.

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
Violentmonkey: What browsers does Violentmonkey support?

Violentmonkey works on browsers with WebExtensions support, including Chrome, Firefox, Edge, and other Chromium-based browsers.

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
Violentmonkey: How does Violentmonkey compare to Tampermonkey in performance?

Community benchmarks show Violentmonkey uses about 15 to 30 percent less RAM on Chrome compared to Tampermonkey when managing many open tabs.

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
Violentmonkey: What is the current version of Violentmonkey?

Violentmonkey reached version 2.46.0 as of July 31, 2026, with active ongoing development and regular updates to the open-source project.

Source
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