iSpeech
8.5#1 in text-to-speech softwareFree planFree planAndroidiOSWebAPI
Visit| Fact | iSpeech | NVIDIA Magpie TTS |
|---|---|---|
| API access | API access requires an API key, with mobile development, mobile production, and web/general production key types. | Yes |
| API protocols | Requests can use HTTP GET or POST with URL-encoded, JSON or XML payloads and responses. | NVIDIA states that Nemotron Speech supports both gRPC and HTTP APIs. |
| Commercial use | Yes | NVIDIA marks this release as ready for commercial use under its stated terms. |
| Export formats | aiff,mp3,ogg,wma,flac,wav,alaw,ulaw,vox,mp4 | WAV |
| Free plan | Yes | Yes |
| Headquarters | The company lists Newark, New Jersey as headquarters and San Francisco as an additional office. | Santa Clara, California, USA |
| Languages | The homepage says the Speech API supports text-to-speech and speech recognition in more than 30 languages. | Supported languages are English, Spanish, German, French, Italian, Vietnamese, Mandarin Chinese, Hindi, Japanese, Modern Standard Arabic, Brazilian Portuguese and Korean. |
| Platforms | web,ios,android,api | web,linux,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.
Magpie TTS may suit developers and organizations seeking multilingual text-to-speech with voice cloning and API access. Its commercial-use permission and web, Linux, API, and self-hosted listings are relevant to users considering different deployment routes.