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Rollup vs WebStorm

Rollup logo

Rollup

Web Development

JavaScript module bundler built for libraries

From
Free
Rated
-
WebStorm logo

WebStorm

Technology

The JavaScript and TypeScript IDE

From
$12.9/month
Rated
-

The short version

  • Only Rollup has a free tier, so it costs nothing to try first.
  • Each has a real cost: Rollup slower than the Go and Rust bundlers that followed it, since it is written in JavaScript; WebStorm jetBrains WebStorm is sold as an annual subscription rather than a one-time purchase: commercial price is $199 per year (USD), and personal price starts at $299 in year one, dropping to $239 in year two and $179 from year three onward with continuous renewal.
  • They diverge on capability: Rollup covers Tree shaking, WebStorm covers Smart JavaScript editor.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Rollup and WebStorm actually diverge.

Attributes where Rollup and WebStorm differ
AttributeRollupWebStorm
Starting priceFree$12.9/month
Pricing modelOpen source, no licence feesubscription
Free tierYesNo
PlatformsLinux, macOS, WindowsWindows, Macos, Linux
CategoryWeb DevelopmentTechnology
FoundedUnknown2000

Identical on both: 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 Rollup

  • Tree shaking
  • Clean output
  • Multiple output formats
  • Plugin API

Only in WebStorm

  • Smart JavaScript editor
  • TypeScript support
  • Node.js development
  • Modern framework support
  • Built-in debugger
  • Unit testing
  • Version control
  • Live templates

What people use each for

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

Rollup

  • Publishing a JavaScript library in several module formatsnot WebStorm
  • Builds where output size and cleanliness matter more than build speednot WebStorm
  • Producing ES module output for consumers who will bundle it themselvesnot WebStorm

WebStorm

  • Web application developmentnot Rollup
  • React/Angular/Vue developmentnot Rollup
  • Node.js backend developmentnot Rollup
  • TypeScript projectsnot Rollup
  • Frontend testingnot Rollup

Where each one falls short

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

Rollup

  • Slower than the Go and Rust bundlers that followed it, since it is written in JavaScript
  • Application concerns like dev servers and hot reloading are not its job, so app builds need Vite on top
  • Configuration for non-trivial applications gets verbose compared with tools that assume more

WebStorm

  • JetBrains WebStorm is sold as an annual subscription rather than a one-time purchase: commercial price is $199 per year (USD), and personal price starts at $299 in year one, dropping to $239 in year two and $179 from year three onward with continuous renewal.
  • If the subscription lapses, use of new versions stops; JetBrains grants a fallback license only for the last version used while the subscription was active, per its published buy page.

Pricing, plan by plan

Rollup

Free
  • RollupFree
    • Full functionality
    • Commercial use permitted
    • Community support

WebStorm

$12.9/month
  • Individual$12.9/month
    • Intelligent JavaScript & TypeScript editor
    • Debugging and testing
    • VCS integration
  • Organizations$25.9/month
    • All Individual features
    • Commercial use license
    • Centralized license management

Which should you pick?

Choose Rollup if

  • You need tree shaking.
  • You want to start without paying.
  • You work on Linux, macOS, Windows.
  • You also want clean output.

Choose WebStorm if

  • You need smart javascript editor.
  • You work on Windows, Macos, Linux.
  • You also want typescript support.

Questions people ask

Is Rollup or WebStorm better?
Neither clearly leads. Rollup starts at Free and WebStorm at $12.9/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Rollup or WebStorm?
Rollup has a free tier; the other does not. Paid plans start at Free for Rollup and $12.9/month for WebStorm.
Does Rollup or WebStorm run on more platforms?
Rollup runs on Linux, macOS, Windows. WebStorm runs on Windows, Macos, Linux.
Can I use Rollup for free?
Yes. Rollup has a free tier, so you can try it without paying. WebStorm starts at $12.9/month.
What is Rollup best used for?
Rollup is most often used for publishing a javascript library in several module formats, builds where output size and cleanliness matter more than build speed, producing es module output for consumers who will bundle it themselves. Of those, publishing a javascript library in several module formats and builds where output size and cleanliness matter more than build speed are not what WebStorm is typically brought in for.
What can Rollup do that WebStorm cannot?
Rollup covers Tree shaking, Clean output, Multiple output formats, Plugin API. WebStorm covers Smart JavaScript editor, TypeScript support, Node.js development, Modern framework support.

Answered from the vendors’ own pages

Rollup: Is Rollup free?

Yes, open source under the MIT licence.

WebStorm: Is there a free version of WebStorm?

Yes, WebStorm is free for non-commercial use and includes access to JetBrains AI with a free tier.

Source
Rollup: Rollup or webpack?

Rollup is the usual choice for libraries thanks to cleaner output and better tree shaking. webpack remains stronger for complex applications with heavy asset handling.

WebStorm: What is the cost of a commercial WebStorm license?

The page references a testimonial mentioning 70 euros as a cost, though specific current pricing requires visiting the dedicated pricing page.

Source
Rollup: Do I need Rollup if I use Vite?

Not directly. Vite uses Rollup for production builds, so you already benefit from it.

WebStorm: How does JetBrains AI licensing work?

Users can pay with JetBrains AI credits, bring their own AI subscriptions and API keys to avoid vendor lock-in, or use the free tier included with WebStorm.

Source
WebStorm: What features does the free tier include?

The free tier includes the smart code editor, navigation tools, integrated developer tools, and customization options.

Source
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