Decision Workspace
numfmt vs icu_decimal vs defmt
Side-by-side comparison of Rust crates
54
numfmt
growingv1.2.0
Fast and friendly Rust number formatting
73
icu_decimal
stablev2.2.0
API for formatting basic decimal numbers in a locale-sensitive way
72
defmt
stablev1.1.0
A highly efficient logging framework that targets resource-constrained devices, like microcontrollers
Core Metrics
| numfmt | icu_decimal | defmt | |
|---|---|---|---|
| Health Score | 54 | 73 | 72 |
| Total Downloads | 402.4K | 7.4M | 11.0M |
| 30d Downloads | 38.4K | 758.7K | 930.8K |
| Dependents | 104 | 214 | 4.7K |
| Releases | 4 | 20 | 28 |
| Last Updated | 313d ago | 54d ago | 13d ago |
| Age | 3y 4m | 5y | 5y 9m |
Health Breakdown
numfmt
Maintenance
6
Quality
19
Community
12
Popularity
7
Documentation
10
icu_decimal
Maintenance
18
Quality
20
Community
17
Popularity
8
Documentation
10
defmt
Maintenance
17
Quality
17
Community
20
Popularity
8
Documentation
10
Technical Details
| numfmt | icu_decimal | defmt | |
|---|---|---|---|
| Version | 1.2.0 | 2.2.0 | 1.1.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | MIT | Unicode-3.0 | MIT OR Apache-2.0 |
| Dependencies | 5 | 17 | 4 |
| Crate Size | 21KB | 29KB | 34KB |
| Features | 0 | 7 | 6 |
| Yanked % | 0.0% | 0.0% | 17.9% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.86 | — |
| Owners | 1 | 2 (team) | 4 (team) |
Links
Quick Verdict
- •icu_decimal leads with a health score of 73/100, but none of the options score above 80.
- •defmt has the most downloads (11.0M), suggesting wider adoption.
- •defmt is depended on by 4.7K crates — strongest ecosystem trust.