Decision Workspace
hron vs cron vs turnkeeper
Side-by-side comparison of Rust crates
62
hron
experimentalv1.0.0
Human-readable cron — scheduling expressions that are a superset of what cron can express
62
cron
growingv0.17.0
A cron expression parser and schedule explorer.
58
turnkeeper
stablev1.2.11
An asynchronous, recurring job scheduler for Tokio with support for CRON, interval, and weekday/time schedules, plus retries, cancellation, and observability.
Core Metrics
| hron | cron | turnkeeper | |
|---|---|---|---|
| Health Score | 62 | 62 | 58 |
| Total Downloads | 1.5K | 17.1M | 4.7K |
| 30d Downloads | 0 | 1.3M | 0 |
| Dependents | 16 | 7.3K | 0 |
| Releases | 13 | 23 | 14 |
| Last Updated | 143d ago | 25d ago | 1d ago |
| Age | 5m | 11y 1m | 1y 2m |
Health Breakdown
hron
Maintenance
16
Quality
18
Community
9
Popularity
4
Documentation
15
cron
Maintenance
15
Quality
14
Community
12
Popularity
8
Documentation
13
turnkeeper
Maintenance
19
Quality
19
Community
6
Popularity
4
Documentation
10
Technical Details
| hron | cron | turnkeeper | |
|---|---|---|---|
| Version | 1.0.0 | 0.17.0 | 1.2.11 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MPL-2.0 |
| Dependencies | 7 | 8 | 16 |
| Crate Size | 48KB | 26KB | 93KB |
| Features | 2 | 1 | 6 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | 1.93 | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •hron leads with a health score of 62/100, but none of the options score above 80.
- •cron has the most downloads (17.1M), suggesting wider adoption.
- •cron is depended on by 7.3K crates — strongest ecosystem trust.
- •cron is pre-1.0 — API may change.