Decision Workspace
vast4 vs vast4-rs vs iab-specs
Side-by-side comparison of Rust crates
38
vast4
growingv0.1.0
An implementation of VAST 4.2 FINAL.
44
vast4-rs
growingv1.0.6
An implementation of VAST 4.2 FINAL.
49
iab-specs
experimentalv0.4.1
Unofficial Rust implementaton of various IAB specifications.
Core Metrics
| vast4 | vast4-rs | iab-specs | |
|---|---|---|---|
| Health Score | 38 | 44 | 49 |
| Total Downloads | 1.6K | 10.3K | 3.0K |
| 30d Downloads | 3 | 81 | 52 |
| Dependents | 0 | 0 | 0 |
| Releases | 1 | 6 | 13 |
| Last Updated | 1187d ago | 953d ago | 24d ago |
| Age | 3y 3m | 2y 10m | 9m |
Health Breakdown
vast4
Maintenance
1
Quality
15
Community
5
Popularity
4
Documentation
13
vast4-rs
Maintenance
4
Quality
20
Community
5
Popularity
5
Documentation
10
iab-specs
Maintenance
17
Quality
15
Community
3
Popularity
4
Documentation
10
Technical Details
| vast4 | vast4-rs | iab-specs | |
|---|---|---|---|
| Version | 0.1.0 | 1.0.6 | 0.4.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT | Apache-2.0 |
| Dependencies | 2 | 2 | 9 |
| Crate Size | 64KB | 61KB | 178KB |
| Features | 0 | 0 | 10 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •iab-specs leads with a health score of 49/100, but none of the options score above 80.
- •vast4-rs has the most downloads (10.3K), suggesting wider adoption.
- •⚠ vast4, vast4-rs have not been updated in over a year.
- •vast4, iab-specs are pre-1.0 — API may change.