# Prettier vs RuboCop

**Leader by Vioscale score:** Prettier

| Attribute | Prettier | RuboCop |
|---|---|---|
| **Vioscale score** | 81.5 (79% (high)) | 69.7 (53% (medium)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 1,703,312 | 115,529 |
| adoption.github_stars | 52,212 | 12,899 |
| adoption.package_downloads_weekly | 133,260,364 | - |
| deployment.options | `{"self_hosted":true}` | - |
| description.long | Prettier is a code formatting tool that parses source code and reprints it with its own consistent style rules. It integrates with editors and CI systems to format code automatically on save or in version control workflows, reducing style-related code review discussions. | RuboCop is an open-source Ruby linter and formatter that enforces code style based on the Ruby community style guide. It detects code quality issues and can automatically fix many of them, with extensive configuration options and extensibility through community plugins. |
| features.capabilities | `{"autofix":true,"metrics":false,"function":"formatter","ci_gating":true,"incremental":true,"open_source":"oss","config_model":"config_file","custom_rules":false,"impl_language":"JavaScript","pricing_model":"free","language_scope":"multi_language","editor_integration":true}` | `{"autofix":true,"function":"linter_formatter","deployment":"cli_local","open_source":"oss","config_model":"config_file","custom_rules":true,"impl_language":"Ruby","pricing_model":"free","language_scope":"single_language","editor_integration":true}` |
| integrations.count | 19 | 14 |
| integrations.list | `[{"name":"VS Code"},{"name":"WebStorm"},{"name":"Vim"},{"name":"Sublime Text"},{"name":"Emacs"},{"name":"Visual Studio"},{"name":"Nova"},{"name":"Neovim"}]` | `[{"name":"rubocop-performance"},{"name":"rubocop-rails"},{"name":"rubocop-rspec"},{"name":"rubocop-minitest"},{"name":"rubocop-rake"},{"name":"rubocop-sequel"},{"name":"rubocop-thread_safety"},{"name":"rubocop-capybara"},{"name":"rubocop-factory_bot"},{"name":"rubocop-rspec_rails"},{"name":"rubocop-i18n"},{"name":"Eglot"},{"name":"Helix"},{"name":"Flycheck"}]` |
| language.primary | JavaScript | Ruby |
| license.spdx | MIT | MIT |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","summary":"Free and open source","freeTier":true,"sourceUrl":"https://prettier.io","retrievedAt":"2026-08-14T13:46:04.335Z"}` | `{"type":"open_source","summary":"Free and open source","freeTier":true,"sourceUrl":"https://rubocop.org/","retrievedAt":"2026-08-14T08:31:22.550Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | 3 | 16 |
| release.history | `[{"url":"https://github.com/prettier/prettier/releases/tag/3.9.6","date":"2026-07-21T05:52:55Z","type":"stable","version":"3.9.6"},{"url":"https://github.com/prettier/prettier/releases/tag/3.9.5","date":"2026-07-09T16:22:50Z","type":"stable","version":"3.9.5"},{"url":"https://github.com/prettier/prettier/releases/tag/3.9.4","date":"2026-06-30T01:21:45Z","type":"stable","version":"3.9.4"},{"url":"https://github.com/prettier/prettier/releases/tag/3.9.3","date":"2026-06-29T11:38:44Z","type":"stable","version":"3.9.3"},{"url":"https://github.com/prettier/prettier/releases/tag/3.9.1","date":"2026-06-27T23:06:22Z","type":"stable","version":"3.9.1"},{"url":"https://github.com/prettier/prettier/releases/tag/3.9.0","date":"2026-06-27T10:28:04Z","type":"stable","version":"3.9.0"},{"url":"https://github.com/prettier/prettier/releases/tag/3.8.5","date":"2026-06-26T13:00:46Z","type":"stable","version":"3.8.5"},{"url":"https://github.com/prettier/prettier/releases/tag/3.8.4","date":"2026-06-09T11:31:30Z","type":"stable","version":"3.8.4"},{"url":"https://github.com/prettier/prettier/releases/tag/3.8.3","date":"2026-04-15T01:00:35Z","type":"stable","version":"3.8.3"},{"url":"https://github.com/prettier/prettier/releases/tag/3.8.2","date":"2026-04-10T02:44:52Z","type":"stable","version":"3.8.2"},{"url":"https://github.com/prettier/prettier/releases/tag/3.8.1","date":"2026-01-21T17:50:23Z","type":"stable","version":"3.8.1"},{"url":"https://github.com/prettier/prettier/releases/tag/3.8.0","date":"2026-01-14T23:56:57Z","type":"stable","version":"3.8.0"},{"url":"https://github.com/prettier/prettier/releases/tag/3.7.4","date":"2025-12-03T04:37:09Z","type":"stable","version":"3.7.4"},{"url":"https://github.com/prettier/prettier/releases/tag/3.7.3","date":"2025-11-29T17:55:30Z","type":"stable","version":"3.7.3"},{"url":"https://github.com/prettier/prettier/releases/tag/3.7.2","date":"2025-11-28T20:58:56Z","type":"stable","version":"3.7.2"},{"url":"https://github.com/prettier/prettier/releases/tag/3.7.1","date":"2025-11-27T11:32:54Z","type":"stable","version":"3.7.1"},{"url":"https://github.com/prettier/prettier/releases/tag/3.7.0","date":"2025-11-27T08:30:50Z","type":"stable","version":"3.7.0"},{"url":"https://github.com/prettier/prettier/releases/tag/3.6.2","date":"2025-06-27T02:54:44Z","type":"stable","version":"3.6.2"},{"url":"https://github.com/prettier/prettier/releases/tag/3.6.1","date":"2025-06-25T06:46:24Z","type":"stable","version":"3.6.1"},{"url":"https://github.com/prettier/prettier/releases/tag/3.6.0","date":"2025-06-23T02:03:42Z","type":"stable","version":"3.6.0"}]` | `[{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.90.0","date":"2026-08-24T11:40:21Z","type":"stable","version":"v1.90.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.89.0","date":"2026-08-04T09:00:37Z","type":"stable","version":"v1.89.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.88.2","date":"2026-07-08T06:22:30Z","type":"stable","version":"v1.88.2"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.88.1","date":"2026-07-01T09:52:01Z","type":"stable","version":"v1.88.1"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.88.0","date":"2026-06-16T05:10:59Z","type":"stable","version":"v1.88.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.87.0","date":"2026-05-30T08:52:19Z","type":"stable","version":"v1.87.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.86.2","date":"2026-05-14T05:26:06Z","type":"stable","version":"v1.86.2"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.86.1","date":"2026-04-09T06:12:37Z","type":"stable","version":"v1.86.1"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.86.0","date":"2026-03-23T10:39:38Z","type":"stable","version":"v1.86.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.85.1","date":"2026-03-05T10:22:56Z","type":"stable","version":"v1.85.1"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.85.0","date":"2026-02-26T09:50:24Z","type":"stable","version":"v1.85.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.84.2","date":"2026-02-12T07:25:18Z","type":"stable","version":"v1.84.2"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.84.1","date":"2026-02-03T01:55:56Z","type":"stable","version":"v1.84.1"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.84.0","date":"2026-01-27T09:57:17Z","type":"stable","version":"v1.84.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.82.1","date":"2025-12-24T08:47:02Z","type":"stable","version":"v1.82.1"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.82.0","date":"2025-12-17T10:25:17Z","type":"stable","version":"v1.82.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.81.7","date":"2025-10-31T09:01:14Z","type":"stable","version":"v1.81.7"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.81.6","date":"2025-10-21T07:34:59Z","type":"stable","version":"v1.81.6"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.81.1","date":"2025-09-26T13:35:08Z","type":"stable","version":"v1.81.1"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.81.0","date":"2025-09-25T12:50:13Z","type":"stable","version":"v1.81.0"}]` |
| security.scorecard | 6.7 | 5.6 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=prettier&per_page=100","last_12m":0,"max_severity":null}` | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=rubygems&package_name=rubocop&per_page=100","last_12m":0,"max_severity":"LOW"}` |

## Capabilities (Code Quality Tools)

| Capability | Prettier | RuboCop |
|---|:--:|:--:|
| **Core** |  |  |
| Function | Formatter | Linter + formatter |
| Language scope | Multi-language | Single-language |
| Implementation language | JavaScript | Ruby |
| **Capability** |  |  |
| Autofix | ✓ | ✓ |
| **Config** |  |  |
| Config model | Config file | Config file |
| **Extensibility** |  |  |
| Custom rules | ✗ | ✓ |
| **Deployment** |  |  |
| Deployment | - | CLI-local |
| **Delivery** |  |  |
| Editor integration | ✓ | ✓ |
| CI / VCS gating | ✓ | - |
| **Insight** |  |  |
| Code metrics | ✗ | - |
| **Performance** |  |  |
| Incremental / monorepo aware | ✓ | - |
| **Licensing** |  |  |
| Open-source | OSS | OSS |
| **Commercial** |  |  |
| Pricing model | Free | Free |

*Source: Vioscale. Generated 2026-09-01T16:57:37.636Z. "-" = undocumented, not absent.*