# PHPStan vs Psalm

| Attribute | PHPStan | Psalm |
|---|---|---|
| **Vioscale score** | 52.6 (53% (medium)) | 72.8 (33% (low)) |
| activity.commits_last_30d | 100 | - |
| adoption.dependent_repos | 0 | 15,920 |
| adoption.github_stars | 14,082 | 5,884 |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | 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. | 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. |
| features.capabilities | `{"autofix":false,"function":"static_analyzer","ci_gating":true,"incremental":true,"open_source":"oss","config_model":"config_file","custom_rules":true,"impl_language":"PHP","pricing_model":"free","language_scope":"single_language","editor_integration":true}` | `{"autofix":true,"metrics":true,"function":"static_analyzer","deployment":"cli_local","open_source":"oss","config_model":"config_file","custom_rules":true,"impl_language":"PHP","pricing_model":"free","language_scope":"single_language"}` |
| integrations.count | 3 | - |
| integrations.list | `[{"name":"Symfony"},{"name":"Laravel"},{"name":"Doctrine"}]` | - |
| language.primary | PHP | PHP |
| license.spdx | MIT | MIT |
| market.availability | `{"hqCountry":"CZ","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"PHPStan (Free)","summary":"Free, open-source","features":["Bug detection","CLI interface","CI integration","Rule levels 0-10","Custom rules support"],"description":"Open-source version with CLI interface","contactSales":false},{"free":false,"name":"PHPStan Pro","summary":"Subscription required; exact pricing not disclosed","features":["Web UI instead of CLI","Auto-refresh","Continuous background analysis"],"description":"Premium package with web UI and continuous analysis","contactSales":false}],"summary":"Free open-source tier; Pro subscription available at undisclosed pricing","currency":"USD","freeTier":true,"sourceUrl":"https://phpstan.org/","retrievedAt":"2026-08-14T08:30:37.776Z"}` | `{"type":"open_source","plans":[{"free":true,"name":"Open Source","description":"Free and open-source static analysis tool for PHP","contactSales":false}],"summary":"Free and open-source. Optional paid support contracts available.","freeTier":true,"sourceUrl":"https://psalm.dev/","retrievedAt":"2026-08-03T22:32:46.041Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | free |
| pricing.transparent | no | yes |
| release.cadence_days | 2 | 1 |
| release.history | `[{"url":"https://github.com/phpstan/phpstan/releases/tag/2.2.9","date":"2026-08-22T07:39:37Z","type":"stable","version":"2.2.9"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.2.8","date":"2026-08-04T22:23:06Z","type":"stable","version":"2.2.8"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.2.7","date":"2026-07-29T17:40:47Z","type":"stable","version":"2.2.7"},{"url":"https://github.com/phpstan/phpstan/releases/tag/1.12.34","date":"2026-07-28T10:05:36Z","type":"stable","version":"1.12.34"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.2.6","date":"2026-07-26T21:24:15Z","type":"stable","version":"2.2.6"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.2.5","date":"2026-07-05T06:33:25Z","type":"stable","version":"2.2.5"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.2.4","date":"2026-07-03T07:01:31Z","type":"stable","version":"2.2.4"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.2.3","date":"2026-06-30T21:16:38Z","type":"stable","version":"2.2.3"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.2.2","date":"2026-06-05T09:01:35Z","type":"stable","version":"2.2.2"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.2.1","date":"2026-05-28T14:45:45Z","type":"stable","version":"2.2.1"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.2.0","date":"2026-05-28T08:41:56Z","type":"stable","version":"2.2.0"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.1.56","date":"2026-05-26T17:06:15Z","type":"stable","version":"2.1.56"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.1.55","date":"2026-05-18T11:59:05Z","type":"stable","version":"2.1.55"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.1.54","date":"2026-04-29T13:35:54Z","type":"stable","version":"2.1.54"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.1.53","date":"2026-04-28T16:16:29Z","type":"stable","version":"2.1.53"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.1.52","date":"2026-04-28T12:27:36Z","type":"stable","version":"2.1.52"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.1.51","date":"2026-04-21T18:23:04Z","type":"stable","version":"2.1.51"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.1.50","date":"2026-04-17T13:11:29Z","type":"stable","version":"2.1.50"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.1.49","date":"2026-04-16T21:12:00Z","type":"stable","version":"2.1.49"},{"url":"https://github.com/phpstan/phpstan/releases/tag/2.1.48","date":"2026-04-15T20:25:35Z","type":"stable","version":"2.1.48"}]` | `[{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta19","date":"2026-04-15T20:51:53Z","type":"prerelease","version":"7.0.0-beta19"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta18","date":"2026-04-15T18:57:09Z","type":"prerelease","version":"7.0.0-beta18"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.16.1","date":"2026-03-19T11:07:58Z","type":"stable","version":"6.16.1"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta17","date":"2026-03-17T11:28:08Z","type":"prerelease","version":"7.0.0-beta17"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.16.0","date":"2026-03-17T11:22:35Z","type":"stable","version":"6.16.0"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta16","date":"2026-02-20T19:46:21Z","type":"prerelease","version":"7.0.0-beta16"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta15","date":"2026-02-19T21:57:27Z","type":"prerelease","version":"7.0.0-beta15"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.15.1","date":"2026-02-08T08:26:17Z","type":"stable","version":"6.15.1"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.15.0","date":"2026-01-30T14:13:20Z","type":"stable","version":"6.15.0"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta14","date":"2025-12-23T17:07:55Z","type":"prerelease","version":"7.0.0-beta14"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.14.3","date":"2025-12-23T15:49:03Z","type":"stable","version":"6.14.3"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.14.2","date":"2025-12-11T08:59:09Z","type":"stable","version":"6.14.2"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta13","date":"2025-12-10T09:35:46Z","type":"prerelease","version":"7.0.0-beta13"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.14.1","date":"2025-12-10T09:35:44Z","type":"stable","version":"6.14.1"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta12","date":"2025-12-10T09:11:02Z","type":"prerelease","version":"7.0.0-beta12"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.14.0","date":"2025-12-10T08:48:11Z","type":"stable","version":"6.14.0"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.13.1","date":"2025-08-07T12:33:39Z","type":"stable","version":"6.13.1"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta11","date":"2025-07-14T10:01:40Z","type":"prerelease","version":"7.0.0-beta11"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.13.0","date":"2025-07-14T10:00:47Z","type":"stable","version":"6.13.0"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta10","date":"2025-07-04T10:10:02Z","type":"prerelease","version":"7.0.0-beta10"}]` |
| security.gdpr | yes | - |
| security.scorecard | 4.9 | 4.5 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nixpkgs&package_name=php82Packages.phpstan&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=packagist&package_name=vimeo%2Fpsalm&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Code Quality Tools)

| Capability | PHPStan | Psalm |
|---|:--:|:--:|
| **Core** |  |  |
| Function | Static analyzer | Static analyzer |
| Language scope | Single-language | Single-language |
| Implementation language | PHP | PHP |
| **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 2026-09-01T16:59:23.925Z. "-" = undocumented, not absent.*