iSpeech
8.5#1 in text-to-speech softwareFree planFree planAndroidiOSWebAPI
VisitiSpeech vs OpenSpeaker Voice Changer
OpenSpeaker Voice Changer
6.8#95 in text-to-speech softwareWebAPI
VisitWhat both publish
| Fact | iSpeech | OpenSpeaker Voice Changer |
|---|---|---|
| API access | API access requires an API key, with mobile development, mobile production, and web/general production key types. | Yes |
| API authentication | Every API call requires an API key obtained through a registered developer account. | Requests use the https://api.openspeaker.ai base URL and an xi-api-key header. |
| Export formats | aiff,mp3,ogg,wma,flac,wav,alaw,ulaw,vox,mp4 | MP3 |
| Free plan | Yes | No |
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
OpenSpeaker Voice Changer plans
- 1 month$5, paid once
- 3 months$5, paid once
- 9 months$5, paid once
- No expiry$5, paid once
- OpenSpeaker Premium — 1 month$5 a month
- OpenSpeaker Premium — 3 months$5 a month
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 OpenSpeaker Voice Changer if…
It suits creators and developers needing voice replacement, localization, narration, or voice-style experiments. Web users and API integrators can use the listed workflows.