# Metro vs webpack

| Attribute | Metro | webpack |
|---|---|---|
| **Vioscale score** | 71 (21% (low)) | 59.6 (28% (low)) |
| activity.commits_last_30d | 50 | 100 |
| adoption.dependent_repos | 305,465 | 3,177 |
| adoption.github_stars | 5,627 | 65,962 |
| deployment.options | `{"self_hosted":true}` | - |
| description.long | Optimized JavaScript bundler for React Native that prioritizes rapid feedback cycles and supports large-scale projects with thousands of modules. | An open-source JavaScript bundler that prepares code and assets for production browser delivery. Offers code splitting for on-demand component loading, support for various module formats, preprocessing capabilities via loaders, and optimization to reduce bundle size and improve performance. |
| integrations.count | - | 4 |
| integrations.list | - | `[{"name":"Gulp"},{"name":"Mocha"},{"name":"Karma"},{"name":"NPM Scripts"}]` |
| language.primary | JavaScript | JavaScript |
| license.spdx | MIT | MIT |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://metrobundler.dev","retrievedAt":"2026-08-20T16:36:51.300Z"}` | `{"type":"open_source","summary":"Free and open-source","freeTier":true,"sourceUrl":"https://webpack.js.org","retrievedAt":"2026-08-20T16:35:12.905Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| release.cadence_days | 11 | 4 |
| release.history | `[{"url":"https://github.com/react/metro/releases/tag/v0.84.5","date":"2026-08-19T15:29:25Z","type":"stable","version":"v0.84.5"},{"url":"https://github.com/react/metro/releases/tag/v0.83.8","date":"2026-08-19T15:21:23Z","type":"stable","version":"v0.83.8"},{"url":"https://github.com/react/metro/releases/tag/v0.87.0","date":"2026-07-13T15:23:08Z","type":"stable","version":"v0.87.0"},{"url":"https://github.com/react/metro/releases/tag/v0.86.0","date":"2026-07-06T16:46:29Z","type":"stable","version":"v0.86.0"},{"url":"https://github.com/react/metro/releases/tag/v0.85.0","date":"2026-06-23T16:07:47Z","type":"stable","version":"v0.85.0"},{"url":"https://github.com/react/metro/releases/tag/v0.84.4","date":"2026-04-30T11:39:20Z","type":"stable","version":"v0.84.4"},{"url":"https://github.com/react/metro/releases/tag/v0.83.7","date":"2026-04-29T10:46:10Z","type":"stable","version":"v0.83.7"},{"url":"https://github.com/react/metro/releases/tag/v0.83.6","date":"2026-04-13T17:00:24Z","type":"stable","version":"v0.83.6"},{"url":"https://github.com/react/metro/releases/tag/v0.84.3","date":"2026-04-13T16:04:32Z","type":"stable","version":"v0.84.3"},{"url":"https://github.com/react/metro/releases/tag/v0.83.5","date":"2026-03-01T16:15:07Z","type":"stable","version":"v0.83.5"},{"url":"https://github.com/react/metro/releases/tag/v0.84.2","date":"2026-02-27T17:48:20Z","type":"stable","version":"v0.84.2"},{"url":"https://github.com/react/metro/releases/tag/v0.84.1","date":"2026-02-25T15:02:37Z","type":"stable","version":"v0.84.1"},{"url":"https://github.com/react/metro/releases/tag/v0.84.0","date":"2026-02-20T20:49:15Z","type":"stable","version":"v0.84.0"},{"url":"https://github.com/react/metro/releases/tag/v0.83.4","date":"2026-02-20T03:41:11Z","type":"stable","version":"v0.83.4"},{"url":"https://github.com/react/metro/releases/tag/v0.83.3","date":"2025-10-01T12:22:13Z","type":"stable","version":"v0.83.3"},{"url":"https://github.com/react/metro/releases/tag/v0.83.2","date":"2025-09-18T16:05:59Z","type":"stable","version":"v0.83.2"},{"url":"https://github.com/react/metro/releases/tag/v0.83.1","date":"2025-07-24T14:02:11Z","type":"stable","version":"v0.83.1"},{"url":"https://github.com/react/metro/releases/tag/v0.83.0","date":"2025-07-13T11:12:43Z","type":"stable","version":"v0.83.0"},{"url":"https://github.com/react/metro/releases/tag/v0.82.5","date":"2025-07-06T08:13:15Z","type":"stable","version":"v0.82.5"},{"url":"https://github.com/react/metro/releases/tag/v0.82.4","date":"2025-05-21T17:08:59Z","type":"stable","version":"v0.82.4"}]` | `[{"url":"https://github.com/webpack/webpack/releases/tag/v5.109.2","date":"2026-07-28T18:14:32Z","type":"stable","version":"v5.109.2"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.109.1","date":"2026-07-27T21:58:06Z","type":"stable","version":"v5.109.1"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.109.0","date":"2026-07-23T19:19:31Z","type":"stable","version":"v5.109.0"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.108.4","date":"2026-07-04T18:09:51Z","type":"stable","version":"v5.108.4"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.108.3","date":"2026-06-29T22:00:22Z","type":"stable","version":"v5.108.3"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.108.2","date":"2026-06-29T12:56:26Z","type":"stable","version":"v5.108.2"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.108.1","date":"2026-06-26T13:04:32Z","type":"stable","version":"v5.108.1"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.108.0","date":"2026-06-25T09:40:34Z","type":"stable","version":"v5.108.0"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.107.2","date":"2026-05-25T15:18:32Z","type":"stable","version":"v5.107.2"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.107.1","date":"2026-05-21T14:29:33Z","type":"stable","version":"v5.107.1"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.107.0","date":"2026-05-20T09:40:29Z","type":"stable","version":"v5.107.0"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.106.2","date":"2026-04-15T11:44:13Z","type":"stable","version":"v5.106.2"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.106.1","date":"2026-04-10T10:42:06Z","type":"stable","version":"v5.106.1"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.106.0","date":"2026-04-08T15:11:27Z","type":"stable","version":"v5.106.0"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.105.4","date":"2026-03-03T16:29:55Z","type":"stable","version":"v5.105.4"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.105.3","date":"2026-02-26T10:27:48Z","type":"stable","version":"v5.105.3"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.105.2","date":"2026-02-12T15:19:49Z","type":"stable","version":"v5.105.2"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.105.1","date":"2026-02-10T15:01:06Z","type":"stable","version":"v5.105.1"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.105.0","date":"2026-02-03T15:30:22Z","type":"stable","version":"v5.105.0"},{"url":"https://github.com/webpack/webpack/releases/tag/v5.104.1","date":"2025-12-18T12:46:00Z","type":"stable","version":"v5.104.1"}]` |
| security.scorecard | 5.1 | 5.3 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=metro-minify-uglify&per_page=100","last_12m":0,"max_severity":null}` | `{"count":4,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=webpack&per_page=100","last_12m":2,"max_severity":"CRITICAL"}` |

## Capabilities (Bundlers)

| Capability | Metro | webpack |
|---|:--:|:--:|
| **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 | - | - |

*Source: Vioscale. Generated 2026-09-01T14:27:14.365Z. "-" = undocumented, not absent.*