OpenTTS vs ResponsiveVoice
| OpenTTS | ResponsiveVoice | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | $9/mo |
| Open source | No | No |
| Platforms | api, Linux, self-hosted, Web | Android, api, iOS, Web |
| Commercial use | Yes | Yes |
| API access | Yes | Yes |
| Export formats | WAV | mp3, ogg, wav |
| Platforms | web, linux, API, self-hosted | web, ios, android, api |
| Free plan | — | Yes |
| Paid from | — | 9 /mo |
| Voice cloning | — | No |
| Maximum input | — | 4,000 characters |
Both are listed in Best Text-to-Speech Software. On Everything Xiaomi, ResponsiveVoice scores higher on our published basis.