iSpeech
8.5#1 in text-to-speech softwareFree planFree planAndroidiOSWebAPI
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| Fact | iSpeech | ReadSpeaker |
|---|---|---|
| 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 | mp3,ogg,pcm,u-law,a-law,wav,afs,Dialogic ADPCM |
| Free plan | Yes | No |
| Headquarters | The company lists Newark, New Jersey as headquarters and San Francisco as an additional office. | Uppsala, Sweden |
| Platforms | web,ios,android,api | web,windows,linux,ios,android,api,self_hosted |
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.
ReadSpeaker suits individuals or organisations seeking paid text-to-speech with API access, commercial use, voice cloning, and broad platform support. It may also fit workflows requiring the listed audio export formats.