# Metro vs Parcel

| Attribute | Metro | Parcel |
|---|---|---|
| **Vioscale score** | 58.3 (21% (low)) | 43.6 (26% (low)) |
| activity.commits_last_30d | 50 | 0 |
| adoption.dependent_repos | 305,465 | - |
| adoption.github_stars | 5,627 | 44,019 |
| 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. | A build tool that automatically handles compilation, optimization, and asset processing for web projects with extensive built-in support for HTML, CSS, JavaScript, images, fonts, and other file types. Includes features like tree-shaking, code transformation for different browser targets, caching, and image optimization. |
| integrations.count | - | 1 |
| integrations.list | - | `[{"name":"GraphQL"}]` |
| language.primary | JavaScript | JavaScript |
| license.spdx | MIT | MIT |
| market.availability | - | `{"primaryMarkets":["US"],"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"}` | `{"plans":[{"free":false,"name":"Gold Sponsor","summary":"$1,000/month","commitment":"monthly","components":[{"kind":"fixed","amount":1000,"period":"month","currency":"USD"}],"contactSales":false},{"free":false,"name":"Silver Sponsor","summary":"$500/month","commitment":"monthly","components":[{"kind":"fixed","amount":500,"period":"month","currency":"USD"}],"contactSales":false},{"free":false,"name":"Bronze Sponsor","summary":"$100/month","commitment":"monthly","components":[{"kind":"fixed","amount":100,"period":"month","currency":"USD"}],"contactSales":false}],"currency":"USD","sourceUrl":"https://parceljs.org","retrievedAt":"2026-08-18T22:03:00.360Z","startingPrice":{"amount":100,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | - |
| pricing.model | open_source | commercial |
| pricing.price_level | free | high |
| pricing.starting_price | - | `{"amount":100,"currency":"USD"}` |
| pricing.transparent | - | yes |
| release.cadence_days | 11 | 26 |
| 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/parcel-bundler/parcel/releases/tag/v2.16.4","date":"2026-02-02T03:22:20Z","type":"stable","version":"v2.16.4"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.16.2","date":"2025-12-06T22:58:25Z","type":"stable","version":"v2.16.2"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.16.1","date":"2025-11-05T01:24:42Z","type":"stable","version":"v2.16.1"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.16.0","date":"2025-09-18T19:44:20Z","type":"stable","version":"v2.16.0"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.15.3","date":"2025-06-20T22:53:28Z","type":"stable","version":"v2.15.3"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.15.2","date":"2025-05-24T23:49:37Z","type":"stable","version":"v2.15.2"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.15.1","date":"2025-05-16T03:49:59Z","type":"stable","version":"v2.15.1"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.15.0","date":"2025-05-12T01:51:29Z","type":"stable","version":"v2.15.0"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.14.4","date":"2025-03-29T20:59:47Z","type":"stable","version":"v2.14.4"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.14.3","date":"2025-03-29T03:56:59Z","type":"stable","version":"v2.14.3"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.14.2","date":"2025-03-23T21:33:06Z","type":"stable","version":"v2.14.2"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.14.1","date":"2025-03-19T06:10:30Z","type":"stable","version":"v2.14.1"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.14.0","date":"2025-03-18T04:31:15Z","type":"stable","version":"v2.14.0"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.13.3","date":"2024-12-16T18:32:49Z","type":"stable","version":"v2.13.3"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.13.2","date":"2024-11-25T18:03:50Z","type":"stable","version":"v2.13.2"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.13.1","date":"2024-11-25T01:51:21Z","type":"stable","version":"v2.13.1"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.13.0","date":"2024-11-12T16:53:40Z","type":"stable","version":"v2.13.0"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.12.0","date":"2024-02-28T15:17:43Z","type":"stable","version":"v2.12.0"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.11.0","date":"2024-01-02T20:44:19Z","type":"stable","version":"v2.11.0"},{"url":"https://github.com/parcel-bundler/parcel/releases/tag/v2.10.3","date":"2023-11-15T02:01:59Z","type":"stable","version":"v2.10.3"}]` |
| security.scorecard | 5.1 | 2.6 |
| 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}` | - |

## Capabilities (Bundlers)

| Capability | Metro | Parcel |
|---|:--:|:--:|
| **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 2026-09-01T17:43:17.061Z. "-" = undocumented, not absent.*