Comparison

Metro vs tsup

No leader: the top candidate Metro has only 0.21 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Metro full profile →tsup full profile →

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Metro71

tsup46

Attribute comparison across 2 tools
Attribute	Metro	tsup
Vioscale score	71 / 100low · 21%	46 / 100low · 21%
Pricing
Free tierpricing.free_tier	✓	-
Modelpricing.model	open_source	-
Price levelpricing.price_level	free	-
Security
Scorecardsecurity.scorecard	5.1	3.5
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=metro-minify-uglify&per_page=100 · Last 12m: 0	Count: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=tsup&per_page=100 · Last 12m: 0 · Max severity: LOW
Adoption
Dependent reposadoption.dependent_repos	305,465	9,462
Github starsadoption.github_stars	5,627	11,291
Activity
Commits last 30dactivity.commits_last_30d	50	0
Release
Cadence daysrelease.cadence_days	11	8
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	MIT	MIT
Language
Primarylanguage.primary	JavaScript	TypeScript

Score

Vioscale score

Metro71 / 100low · 21%

tsup46 / 100low · 21%

Pricing

Free tier

Metro✓

tsup–

Model

Metroopen_source

tsup–

Price level

Metrofree

tsup–

Security

Scorecard

Metro5.1

tsup3.5

Vulnerabilities

MetroCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=metro-minify-uglify&per_page=100 · Last 12m: 0

tsupCount: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=tsup&per_page=100 · Last 12m: 0 · Max severity: LOW

Adoption

Dependent repos

Metro305,465

tsup9,462

Github stars

Metro5,627

tsup11,291

Activity

Commits last 30d

Metro50

tsup0

Release

Cadence days

Metro11

tsup8

History

Metro20 items

tsup20 items

License

Spdx

MetroMIT

tsupMIT

Language

Primary

MetroJavaScript

tsupTypeScript

Capabilities

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

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

Capabilities

Dev server hmr

Metro-

tsup-

Native esm dev

Metro-

tsup-

Code splitting

Metro-

tsup-

Tree shaking

Metro-

tsup-

Css bundling

Metro-

tsup-

Zero config

Metro-

tsup-

Webpack plugin compat

Metro-

tsup-

Rollup plugin compat

Metro-

tsup-

Monorepo aware

Metro-

tsup-

Source maps

Metro-

tsup-

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

tsup

A tool that bundles TypeScript libraries with automatic configuration, supporting Node.js native features and experimental CSS support.

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 2026-08-20verify ↗

tsup

Pricing not documented yet.

Platform & deployment

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

Platform and deployment support comparison
Supports	Metro	tsup
CLIPlatforms	✓	✓
Self-hostedDeployment	✓	-

Platforms

CLI

Metro✓

tsup✓

Deployment

Self-hosted

Metro✓

tsup–

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