iSpeech
8.5#1 in text-to-speech softwareFree planFree planAndroidiOSWebAPI
VisitiSpeech vs OpenTTS
What both publish
| Fact | iSpeech | OpenTTS |
|---|---|---|
| API access | API access requires an API key, with mobile development, mobile production, and web/general production key types. | Yes |
| Commercial use | Yes | Yes |
| Export formats | aiff,mp3,ogg,wma,flac,wav,alaw,ulaw,vox,mp4 | WAV |
| Platforms | web,ios,android,api | web,linux,API,self-hosted |
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
OpenTTS plans
- OpenTTSFree
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 OpenTTS if…
You want what its maker publishes above — check its page for the details.