Comparison

Psalm vs RuboCop

No leader: the top candidate Psalm has only 0.33 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Psalm73
RuboCop70
Score
Vioscale score
Psalm73 / 100low · 33%updating
RuboCop70 / 100medium · 53%updating
Pricing
Free tier
Psalm
RuboCop
Model
Price level
Psalmfree
RuboCopfree
Transparent
Psalm
RuboCop
Integrations
Count
Psalm
RuboCop14
Adoption
Dependent repos
Psalm15,920
RuboCop115,529
Github stars
Psalm5,884
RuboCop12,899
Activity
Commits last 30d
Psalm
RuboCop100
Release
Cadence days
Psalm1
RuboCop16
History
RuboCop20 items
License
Spdx
PsalmMIT
RuboCopMIT
Language
Primary
PsalmPHP
RuboCopRuby

Capabilities

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

Core
Function
PsalmStatic analyzer
RuboCopLinter + formatter
Language scope
PsalmSingle-language
RuboCopSingle-language
Implementation language
PsalmPHP
RuboCopRuby
Capability
Autofix
Psalm
RuboCop
Config
Config model
PsalmConfig file
RuboCopConfig file
Extensibility
Custom rules
Psalm
RuboCop
Deployment
Deployment
PsalmCLI-local
RuboCopCLI-local
Delivery
Editor integration
Psalm-
RuboCop
CI / VCS gating
Psalm-
RuboCop-
Insight
Code metrics
Psalm
RuboCop-
Performance
Incremental / monorepo aware
Psalm-
RuboCop-
Licensing
Open-source
PsalmOSS
RuboCopOSS
Commercial
Pricing model
PsalmFree
RuboCopFree

What each one is

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

Psalm

Psalm is a free, open-source static analyzer for PHP that identifies type-related errors and bugs in codebases at their strictest settings. It can automatically fix many common issues and supports safe coding patterns used in other languages.

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.

Psalm

Open sourceFree tier

Free and open-source. Optional paid support contracts available.

  • Open SourceFree
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
CLI
Psalm
RuboCop
Deployment
Self-hosted
Psalm
RuboCop

Integrations

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

Psalm

Not documented yet.

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.