Async vs VTS
| Async | VTS | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, iOS, Web | self-hosted |
| Free plan | Yes | Yes |
| Paid from | 11.99 /mo | — |
| Text-to-sound | — | Yes |
| Reference input | — | Yes |
| Download formats | — | wav |
| Commercial use | — | unclear |
| API access | — | No |
Both are listed in Best AI Sound Effect Generators. On Samsung Mobile US Press, Async scores higher on our published basis.