Comparison

Prettier vs RuboCop

On the evidence we track, Prettier leads this comparison with a composite score of 82/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Prettier82
RuboCop70
Score
Vioscale score
Prettier82 / 100high · 79%updating
RuboCop70 / 100medium · 53%updating
Pricing
Free tier
Prettier
RuboCop
Model
Prettiercommercial
RuboCopcommercial
Price level
Prettierfree
RuboCopfree
Transparent
Prettier
RuboCop
Integrations
Count
Prettier19
RuboCop14
Adoption
Dependent repos
Prettier1,703,312
RuboCop115,529
Github stars
Prettier52,212
RuboCop12,899
Package downloads weekly
Prettier133,260,364
RuboCop
Activity
Commits last 30d
Prettier100
RuboCop100
Release
Cadence days
Prettier3
RuboCop16
History
Prettier20 items
RuboCop20 items
License
Spdx
PrettierMIT
RuboCopMIT
Language
Primary
PrettierJavaScript
RuboCopRuby
Market
Availability
RuboCop

Capabilities

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

Core
Function
PrettierFormatter
RuboCopLinter + formatter
Language scope
PrettierMulti-language
RuboCopSingle-language
Implementation language
PrettierJavaScript
RuboCopRuby
Capability
Autofix
Prettier
RuboCop
Config
Config model
PrettierConfig file
RuboCopConfig file
Extensibility
Custom rules
Prettier
RuboCop
Deployment
Deployment
Prettier-
RuboCopCLI-local
Delivery
Editor integration
Prettier
RuboCop
CI / VCS gating
Prettier
RuboCop-
Insight
Code metrics
Prettier
RuboCop-
Performance
Incremental / monorepo aware
Prettier
RuboCop-
Licensing
Open-source
PrettierOSS
RuboCopOSS
Commercial
Pricing model
PrettierFree
RuboCopFree

What each one is

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

Prettier

Leader

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.

Independently observed

RuboCop

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.

Independently observed

Pricing

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

Prettier

Leader
Open sourceFree tier

Free and open source

as of verify ↗

RuboCop

Open sourceFree tier

Free and open source

as of verify ↗

Platform & deployment

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

Platforms
Web
Prettier
RuboCop
CLI
Prettier
RuboCop
Deployment
Self-hosted
Prettier
RuboCop

Integrations

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

Prettier

Leader
8 total
  • VS Code
  • WebStorm
  • Vim
  • Sublime Text
  • Emacs
  • Visual Studio
  • Nova
  • Neovim
Independently observed

RuboCop

14 total
  • rubocop-performance
  • rubocop-rails
  • rubocop-rspec
  • rubocop-minitest
  • rubocop-rake
  • rubocop-sequel
  • rubocop-thread_safety
  • rubocop-capybara
  • rubocop-factory_bot
  • rubocop-rspec_rails
  • rubocop-i18n
  • Eglot
  • Helix
  • Flycheck
Independently observed

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