# cron-job.org vs Quartz

| Attribute | cron-job.org | Quartz |
|---|---|---|
| **Vioscale score** | 39.4 (26% (low)) | 49 (24% (low)) |
| activity.commits_last_30d | - | 20 |
| adoption.dependent_repos | - | 30,375 |
| adoption.github_stars | - | 6,748 |
| deployment.options | `{"cloud":true}` | - |
| description.long | A free service that executes HTTP requests to your URLs or scripts on recurring schedules, ranging from every minute to annually. Includes status page publishing, SSL certificate expiration monitoring, multi-factor authentication, and REST API access. | A Java library that adds scheduling capabilities to applications, allowing developers to define when and how tasks execute—from single recurring operations to thousands of parallel jobs in production environments. |
| integrations.count | 3 | - |
| integrations.list | `[{"name":"Paddle"},{"name":"Cloudflare Turnstile"},{"name":"Google reCAPTCHA"}]` | - |
| language.primary | - | Java |
| license.spdx | - | Apache-2.0 |
| platform.support | `{"web":true}` | - |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free","description":"Unlimited scheduled jobs","contactSales":false},{"free":false,"name":"Sustaining Membership","summary":"User-selected amount, available monthly or yearly","description":"Optional voluntary support membership","contactSales":false}],"summary":"Completely free. Optional voluntary sustaining memberships at user-selected amounts.","freeTier":true,"sourceUrl":"https://cron-job.org","retrievedAt":"2026-08-19T23:32:43.439Z","billingPeriods":["month","year"]}` | `{"type":"open_source","summary":"Open source, Apache 2.0 license","freeTier":true,"sourceUrl":"https://www.quartz-scheduler.org","retrievedAt":"2026-08-18T15:27:56.505Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | free |
| pricing.transparent | no | - |
| release.cadence_days | - | 210 |
| release.history | - | `[{"url":"https://github.com/quartz-scheduler/quartz/releases/tag/v2.5.2","date":"2025-12-01T18:00:46Z","type":"stable","version":"v2.5.2"},{"url":"https://github.com/quartz-scheduler/quartz/releases/tag/v2.5.1","date":"2025-10-24T19:16:08Z","type":"stable","version":"v2.5.1"},{"url":"https://github.com/quartz-scheduler/quartz/releases/tag/v2.4.1","date":"2025-10-24T19:53:26Z","type":"stable","version":"v2.4.1"},{"url":"https://github.com/quartz-scheduler/quartz/releases/tag/v2.5.0","date":"2024-11-12T23:33:20Z","type":"stable","version":"v2.5.0"},{"url":"https://github.com/quartz-scheduler/quartz/releases/tag/v2.4.0","date":"2024-11-13T14:14:17Z","type":"stable","version":"v2.4.0"},{"url":"https://github.com/quartz-scheduler/quartz/releases/tag/quartz-2.4.0-rc1","date":"2023-04-20T23:15:34Z","type":"prerelease","version":"quartz-2.4.0-rc1"},{"url":"https://github.com/quartz-scheduler/quartz/releases/tag/v2.3.2","date":"2019-10-23T16:51:36Z","type":"stable","version":"v2.3.2"},{"url":"https://github.com/quartz-scheduler/quartz/releases/tag/quartz-2.3.1","date":"2019-03-27T15:27:20Z","type":"stable","version":"quartz-2.3.1"}]` |
| security.scorecard | - | 5.8 |
| security.vulnerabilities | - | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.quartz-scheduler%3Aquartz&per_page=100","last_12m":0,"max_severity":"CRITICAL"}` |

## Capabilities (Cron Scheduling)

| Capability | cron-job.org | Quartz |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Deployment | - | - |
| Cron expression support | - | - |
| Timezone aware scheduling | - | - |
| Job dependency chaining | - | - |
| Ha clustering | - | - |
| Retry on failure | - | - |
| Missed run alerting | - | - |
| Web UI dashboard | - | - |
| API first | - | - |
| Audit logging | - | - |
| RBAC | - | - |
| Open source | - | - |
| Pricing model | - | - |

*Source: Vioscale. Generated 2026-09-01T16:52:19.846Z. "-" = undocumented, not absent.*