Decision Workspace
istring vs flexstr vs tinystr
Side-by-side comparison of Rust crates
49
istring
growingv0.4.6
A replacement for String that allows storing short strings of length up to sizeof<String>() - 1 without a heap allocation
63
flexstr
growingv0.11.7
A flexible, simple to use, clone-efficient string type for Rust
61
tinystr
growingv0.8.2
A small ASCII-only bounded length string representation.
Core Metrics
| istring | flexstr | tinystr | |
|---|---|---|---|
| Health Score | 49 | 63 | 61 |
| Total Downloads | 421.8K | 1.1M | 265.1M |
| 30d Downloads | 17.0K | 30.1K | 34.5M |
| Dependents | 15 | 142 | 627 |
| Releases | 26 | 41 | 34 |
| Last Updated | 117d ago | 27d ago | 150d ago |
| Age | 8y 8m | 4y 1m | 6y 7m |
Health Breakdown
istring
Maintenance
10
Quality
16
Community
6
Popularity
7
Documentation
10
flexstr
Maintenance
17
Quality
14
Community
12
Popularity
7
Documentation
13
tinystr
Maintenance
12
Quality
13
Community
18
Popularity
8
Documentation
10
Technical Details
| istring | flexstr | tinystr | |
|---|---|---|---|
| Version | 0.4.6 | 0.11.7 | 0.8.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT OR Apache-2.0 | Unicode-3.0 |
| Dependencies | 6 | 8 | 9 |
| Crate Size | 13KB | 45KB | 24KB |
| Features | 7 | 13 | 6 |
| Yanked % | 3.9% | 7.3% | 5.9% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | — | 1.82 |
| Owners | 1 | 1 | 4 (team) |
Links
Quick Verdict
- •flexstr leads with a health score of 63/100, but none of the options score above 80.
- •tinystr has the most downloads (265.1M), suggesting wider adoption.
- •tinystr is depended on by 627 crates — strongest ecosystem trust.