Decision Workspace
block2 vs block-sys vs objc2
Side-by-side comparison of Rust crates
65
block2
growingv0.6.2
Apple's C language extension of blocks
58
block-sys
growingv0.2.1
Raw bindings to Apple's C language extension of blocks
65
objc2
growingv0.6.4
Objective-C interface and runtime bindings
Core Metrics
| block2 | block-sys | objc2 | |
|---|---|---|---|
| Health Score | 65 | 58 | 65 |
| Total Downloads | 70.2M | 14.3M | 80.0M |
| 30d Downloads | 6.6M | 522.2K | 7.5M |
| Dependents | 1.9K | 11 | 5.1K |
| Releases | 18 | 9 | 27 |
| Last Updated | 282d ago | 918d ago | 137d ago |
| Age | 4y 7m | 4y 7m | 4y 7m |
Health Breakdown
block2
Maintenance
9
Quality
19
Community
17
Popularity
8
Documentation
12
block-sys
Maintenance
5
Quality
19
Community
11
Popularity
8
Documentation
15
objc2
Maintenance
12
Quality
16
Community
17
Popularity
8
Documentation
12
Technical Details
| block2 | block-sys | objc2 | |
|---|---|---|---|
| Version | 0.6.2 | 0.2.1 | 0.6.4 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 1 | 1 | 9 |
| Crate Size | 35KB | 9KB | 275KB |
| Features | 13 | 13 | 29 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.71 | 1.60 | 1.71 |
| Owners | 2 | 2 | 2 |
Links
Quick Verdict
- •block2 leads with a health score of 65/100, but none of the options score above 80.
- •objc2 has the most downloads (80.0M), suggesting wider adoption.
- •objc2 is depended on by 5.1K crates — strongest ecosystem trust.
- •⚠ block-sys has not been updated in over a year.