99Sounds vs BOOM Library
| 99Sounds | BOOM Library | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | macOS, Web, Windows | Windows, macOS |
| Free plan | Yes | No |
| Download model | — | per-asset |
| Commercial use | — | Yes |
| Perpetual usage | — | No |
| Catalog size | — | 210,000 sounds |
| File formats | — | WAV |
| Broadcast use | — | Yes |
Both are listed in Best Sound Effects Libraries. On Everything Xiaomi, 99Sounds scores higher on our published basis.