iSpeech vs RHVoice
iSpeech
ispeech.orgRHVoice
rhvoice.orgSide by side
| Figure | iSpeech | RHVoice |
|---|---|---|
| Price from | $0.25/mo | Free |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | Yes | — |
| Web | Yes | — |
| Windows | Yes | Yes |
| macOS | Yes | — |
| Linux | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | Yes |
| API | Yes | — |
| Plans published | 15 | 1 |
| Spec score · Text-to-Speech Software | 9.2 (#6) | 7.8 (#135) |
| Spec score · Text-to-speech tools | 9.2 (#11) | 7.8 (#140) |
| Export formats | aiff,mp3,ogg,wma,flac,wav,alaw,ulaw,vox,mp4 | WAV |
| Free plan | Yes | Yes |
| Languages | The homepage says the Speech API supports text-to-speech and speech recognition in more than 30 languages. | The language page lists Albanian, Croatian, Czech, English, Esperanto, Georgian, Kyrgyz, Luxembourgish, Macedonian, Nepali, Polish, Brazilian Portuguese, Romanian, Russian, Serbian, Setswana, Slovak, Spanish, Tatar, Turkmen, Ukrainian, Uzbek, and Southern Vietnamese. |
| Platforms | web,ios,android,api | windows,linux,android |
| Support | The developer pricing page lists priority technical support with purchases; the API guide directs support requests to [email protected]. | The project lists GitHub Discussions and a Russian-language mailing list as official community channels. |
| What it does | iSpeech provides cloud text-to-speech and automated speech-recognition services that turn text into audio or submitted audio into transcriptions. | RHVoice is a free, open-source multilingual speech synthesizer. |
Plans
iSpeech
- Plus$2.95 a month
- Premium$3.95 a month
- Pay Per Use$50 a month
- Pay Per Install$0.25 a month
- BasicFree
- HackerFree
- Plus$2.95 a month
- Premium$3.95 a month
- Junior$29 a month
- Pay-per-use 2,000 credits$50, paid once
In their own words
iSpeech
iSpeech provides text-to-speech and automated speech recognition through APIs, SDKs, and online tools. Its speech API can synthesize audio with multiple voices, formats, bitrates, frequencies, and playback speeds, and supports MathML and SSML. The API can also transcribe submitted audio across multiple languages and recognition models; iSpeech says custom models can be created. The homepage lists support for more than 30 languages. Audio downloads are available in AIFF, MP3, OGG, WMA, FLAC, WAV, A-law, μ-law, VOX, and MP4 formats. Listed access includes Android, iOS, Linux, macOS, web, Windows, API, and extension. The Basic plan is free for personal use, and commercial use is listed as available. Plus costs $2.95 a month, billed monthly, and includes 30-minute recordings, approximately 4,167 words. Premium costs $3.95 a month, billed monthly, with 12-hour recordings, approximately 100,000 words. Pay Per Use costs $50 a month for dynamic TTS usage only and includes 2,000 credits. Pay Per Install costs $0.25 a month and has a 10,000-install minimum.