Decision Workspace
realfft vs rustfft vs fft_rs
Side-by-side comparison of Rust crates
61
realfft
growingv3.5.0
Real-to-complex forward FFT and complex-to-real inverse FFT for Rust
67
rustfft
growingv6.4.1
High-performance FFT library written in pure Rust.
36
fft_rs
experimentalv0.1.0
Radix-2 Fast Fourier Transform Implementation in Rust
Core Metrics
| realfft | rustfft | fft_rs | |
|---|---|---|---|
| Health Score | 61 | 67 | 36 |
| Total Downloads | 8.9M | 15.7M | 713 |
| 30d Downloads | 1.1M | 1.4M | 3 |
| Dependents | 630 | 2.8K | 0 |
| Releases | 17 | 25 | 1 |
| Last Updated | 288d ago | 191d ago | 341d ago |
| Age | 5y 9m | 11y 2m | 11m |
Health Breakdown
realfft
Maintenance
7
Quality
23
Community
14
Popularity
8
Documentation
9
rustfft
Maintenance
9
Quality
20
Community
15
Popularity
8
Documentation
15
fft_rs
Maintenance
3
Quality
14
Community
6
Popularity
3
Documentation
10
Technical Details
| realfft | rustfft | fft_rs | |
|---|---|---|---|
| Version | 3.5.0 | 6.4.1 | 0.1.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT |
| Dependencies | 3 | 13 | 1 |
| Crate Size | 17KB | 337KB | 4KB |
| Features | 5 | 5 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | 2021 |
| MSRV | — | 1.61 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •rustfft leads with a health score of 67/100, but none of the options score above 80.
- •rustfft is depended on by 2.8K crates — strongest ecosystem trust.
- •fft_rs is pre-1.0 — API may change.