iSpeech
8.5#1 in text-to-speech softwareFree planFree planAndroidiOSWebAPI
VisitiSpeech vs Volcengine TTS
Volcengine TTS
6.2#207 in text-to-speech toolsWebAPI
VisitWhat both publish
| Fact | iSpeech | Volcengine TTS |
|---|---|---|
| API access | API access requires an API key, with mobile development, mobile production, and web/general production key types. | Yes |
| Export formats | aiff,mp3,ogg,wma,flac,wav,alaw,ulaw,vox,mp4 | pcm,wav,mp3,ogg_opus |
| Free plan | Yes | No |
| Headquarters | The company lists Newark, New Jersey as headquarters and San Francisco as an additional office. | Beijing, China |
| Languages | The homepage says the Speech API supports text-to-speech and speech recognition in more than 30 languages. | 4 |
| Platforms | web,ios,android,api | web,api |
iSpeech plans
- Pay Per Use$50 a month
- Pay Per Install$0.25 a month
- HackerFree
- BasicFree
- Plus$2.95 a month
- Premium$3.95 a month
Volcengine TTS plans
- Large-model TTS — 100,000 characters—
- Large-model TTS — 1,000,000 characters—
- Large-model TTS — 10,000,000 characters—
- Voice cloning — 100,000 characters—
- Voice cloning — 1,000,000 characters—
- Voice cloning — 10,000,000 characters—
Pick iSpeech if…
iSpeech may suit people who need text-to-speech or transcription, as well as developers seeking API or SDK access. Its described education uses include mobile learning apps, spoken course materials, and pronunciation practice.
Pick Volcengine TTS if…
You want what its maker publishes above — check its page for the details.