99Sounds vs Pro Sound Effects
| 99Sounds | Pro Sound Effects | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | macOS, Web, Windows | macOS, Web, Windows |
| Free plan | Yes | — |
| Download model | — | unlimited |
| Commercial use | — | Yes |
| Perpetual usage | — | Yes |
| Catalog size | — | 1,200,000 sounds |
| File formats | — | WAV |
| Broadcast use | — | Yes |
Both are listed in Best Sound Effects Libraries. On Samsung Mobile US Press, Pro Sound Effects scores higher on our published basis.