Comparison

RuboCop vs StyleLint

On the evidence we track, StyleLint leads this comparison with a composite score of 77/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
RuboCop64
★StyleLint77
Score
vioscaleAI score
RuboCop64 / 100medium · 50%
StyleLint77 / 100medium · 71%
Pricing
Free tier
RuboCop✓
StyleLint✓
Model
StyleLintopen_source
Price level
RuboCopfree
StyleLintfree
Transparent
RuboCop✓
StyleLint✓
Integrations
Count
RuboCop14
StyleLint–
Adoption
Dependent repos
RuboCop115,529
StyleLint200,392
Github stars
RuboCop12,913
StyleLint11,531
Package downloads weekly
RuboCop–
StyleLint10,966,597
Activity
Commits last 30d
RuboCop100
StyleLint36
Release
Cadence days
RuboCop16
StyleLint7
History
RuboCop20 items
StyleLint20 items
License
Spdx
RuboCopMIT
StyleLintMIT
Language
Primary
RuboCopRuby
StyleLintJavaScript
Content
Faq
RuboCop5 items
StyleLint5 items

Capabilities

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

Core
Function
RuboCopLinter + formatter
StyleLintLinter + formatter
Language scope
RuboCopSingle-language
StyleLintSingle-language
Implementation language
RuboCopRuby
StyleLintJavaScript
Capability
Autofix
RuboCop✓
StyleLint✓
Config
Config model
RuboCopConfig file
StyleLintConfig file
Extensibility
Custom rules
RuboCop✓
StyleLint✓
Deployment
Deployment
RuboCopCLI-local
StyleLintCLI-local
Delivery
Editor integration
RuboCop✓
StyleLint✓
CI / VCS gating
RuboCop✓
StyleLint✓
Insight
Code metrics
RuboCop✓
StyleLint✓
Performance
Incremental / monorepo aware
RuboCop-
StyleLint✓
Licensing
Open-source
RuboCopOSS
StyleLintOSS
Commercial
Pricing model
RuboCopFree
StyleLintFree

What each one is

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

RuboCop

An open-source linter and formatter for Ruby that enforces the community style guide, identifies potential bugs, and can automatically correct many issues.

Independently observed

StyleLint

Leader

A CSS linter that validates stylesheets against built-in and custom rules to ensure error-free and consistent code, with automatic fixing capabilities and support for CSS-like languages.

Independently observed

Pricing

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

RuboCop

Open sourceFree tier

Free and open source

as of verify ↗

StyleLint

Leader
Open sourceFree tier
as of verify ↗

Platform & deployment

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

Platforms
CLI
RuboCop✓
StyleLint✓
Deployment
Self-hosted
RuboCop✓
StyleLint✓

Integrations

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

RuboCop

19 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
  • VS Code
  • RubyMine
  • Emacs
  • Neovim
  • Zed
Independently observed

StyleLint

Leader

Not documented yet.

Still deciding?

RuboCop or StyleLint: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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