Decision Workspace
amplify_apfloat vs ryu-js vs zmij
Side-by-side comparison of Rust crates
44
amplify_apfloat
growingv0.3.1
rustc_apfloat with u256 backend to utilize Octuple precision floating-point format
81
ryu-js
stablev1.0.3
Fast floating point to string conversion, ECMAScript compliant.
70
zmij
growingv1.0.23
A double-to-string conversion algorithm based on Schubfach and xjb
Core Metrics
| amplify_apfloat | ryu-js | zmij | |
|---|---|---|---|
| Health Score | 44 | 81 | 70 |
| Total Downloads | 183.0K | 22.8M | 238.4M |
| 30d Downloads | 3.0K | 1.8M | 36.4M |
| Dependents | 53 | 1.4K | 284 |
| Releases | 8 | 8 | 37 |
| Last Updated | 707d ago | 3d ago | today |
| Age | 4y 4m | 6y | 6m |
Health Breakdown
amplify_apfloat
Maintenance
5
Quality
12
Community
9
Popularity
6
Documentation
12
ryu-js
Maintenance
19
Quality
20
Community
19
Popularity
8
Documentation
15
zmij
Maintenance
19
Quality
16
Community
12
Popularity
8
Documentation
15
Technical Details
| amplify_apfloat | ryu-js | zmij | |
|---|---|---|---|
| Version | 0.3.1 | 1.0.3 | 1.0.23 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | Apache-2.0 OR BSL-1.0 | MIT |
| Dependencies | 6 | 6 | 8 |
| Crate Size | 50KB | 74KB | 29KB |
| Features | 3 | 1 | 0 |
| Yanked % | 12.5% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.61.0 | 1.71 | 1.71 |
| Owners | 1 | 3 (team) | 1 |
Links
Quick Verdict
- •ryu-js has the highest health score (81/100) — a strong overall choice.
- •zmij has the most downloads (238.4M), suggesting wider adoption.
- •ryu-js is depended on by 1.4K crates — strongest ecosystem trust.
- •⚠ amplify_apfloat has not been updated in over a year.
- •amplify_apfloat is pre-1.0 — API may change.