vioscale
Comparison

PHPStan vs Psalm

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.

PHPStan full profile →Psalm full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
PHPStan53
Psalm73
Score
Vioscale score
PHPStan53 / 100medium · 53%
Psalm73 / 100low · 33%
Pricing
Free tier
PHPStan✓
Psalm✓
Model
PHPStanfreemium
Psalmcommercial
Price level
PHPStanlow
Psalmfree
Transparent
PHPStan✗
Psalm✓
Integrations
Count
PHPStan3
Psalm–
Security
Gdpr
PHPStan✓
Psalm–
Scorecard
PHPStan4.9
Psalm4.5
Vulnerabilities
Adoption
Dependent repos
PHPStan0
Psalm15,920
Github stars
PHPStan14,082
Psalm5,884
Activity
Commits last 30d
PHPStan100
Psalm–
Release
Cadence days
PHPStan2
Psalm1
History
PHPStan20 items
Psalm20 items
License
Spdx
PHPStanMIT
PsalmMIT
Language
Primary
PHPStanPHP
PsalmPHP
Market
Availability

Capabilities

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

Core
Function
PHPStanStatic analyzer
PsalmStatic analyzer
Language scope
PHPStanSingle-language
PsalmSingle-language
Implementation language
PHPStanPHP
PsalmPHP
Capability
Autofix
PHPStan✗
Psalm✓
Config
Config model
PHPStanConfig file
PsalmConfig file
Extensibility
Custom rules
PHPStan✓
Psalm✓
Deployment
Deployment
PHPStan-
PsalmCLI-local
Delivery
Editor integration
PHPStan✓
Psalm-
CI / VCS gating
PHPStan✓
Psalm-
Insight
Code metrics
PHPStan-
Psalm✓
Performance
Incremental / monorepo aware
PHPStan✓
Psalm-
Licensing
Open-source
PHPStanOSS
PsalmOSS
Commercial
Pricing model
PHPStanFree
PsalmFree

What each one is

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

PHPStan

PHPStan is a static analysis tool for PHP that scans codebases to find bugs before they reach production. It offers both a free open-source version and a paid Pro tier with a web UI and continuous background analysis.

Independently observed

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

Pricing

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

PHPStan

HybridFree tier

Free open-source tier; Pro subscription available at undisclosed pricing

  • PHPStan (Free)Free
    • Bug detection
    • CLI interface
    • CI integration
    • Rule levels 0-10
    • Custom rules support
  • PHPStan ProSubscription required; exact pricing not disclosed
    • Web UI instead of CLI
    • Auto-refresh
    • Continuous background analysis
as of verify ↗

Psalm

Open sourceFree tier

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

  • Open SourceFree
as of verify ↗

Platform & deployment

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

Platforms
Web
PHPStan✓
Psalm✗
CLI
PHPStan✓
Psalm✓
Deployment
Self-hosted
PHPStan✓
Psalm✓

Integrations

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

PHPStan

3 total
  • Symfony
  • Laravel
  • Doctrine
Independently observed

Psalm

Not documented yet.

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