Comparison

Metro vs Rollup

No clear leader: Metro (65.9) and Rollup (65.1) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Metro66
Rollup65
Score
vioscaleAI score
Metro66 / 100medium · 66%
Rollup65 / 100high · 76%
Pricing
Free tier
Metro✓
Rollup–
Model
Price level
Metrofree
Rollupfree
Integrations
Count
Metro–
Rollup2
Adoption
Dependent repos
Metro305,465
Rollup1,133,301
Github stars
Metro5,648
Rollup26,299
Activity
Commits last 30d
Metro73
Rollup53
Release
Cadence days
Metro11
Rollup4
History
Rollup20 items
License
Spdx
MetroMIT
Rollup–
Language
Primary
Content
Faq
Metro5 items
Rollup3 items

Capabilities

Feature-by-feature on the axes that matter for bundlers. “-” means undocumented, not absent.

Capabilities
Dev server hmr
Metro✓
Rollup-
Native esm dev
Metro-
Rollup-
Code splitting
Metro-
Rollup-
Tree shaking
Metro-
Rollup✓
Css bundling
Metro-
Rollup-
Zero config
Metro-
Rollup-
Webpack plugin compat
Metro-
Rollup-
Rollup plugin compat
Metro-
Rollup-
Monorepo aware
Metro-
Rollup-
Source maps
Metro✓
Rollup-

What each one is

The product in its own terms, so the numbers below have context.

Metro

Optimized JavaScript bundler for React Native that prioritizes rapid feedback cycles and supports large-scale projects with thousands of modules.

Independently observed

Rollup

Rollup is a module bundler that compiles JavaScript code written as ES modules into various output formats for compatibility with different environments. It performs static analysis to eliminate unused code and can target modern browsers with native ES module support or legacy environments requiring CommonJS or UMD output.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Metro

Open sourceFree tier
as of verify ↗

Rollup

Open source
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
CLI
Metro✓
Rollup✓
Deployment
Self-hosted
Metro✓
Rollup–

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Metro

Not documented yet.

Rollup

2 total
  • Vite
  • WMR
Independently observed
Still deciding?

Metro or Rollup: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.