AquesTalk vs iSpeech
AquesTalk
a-quest.comiSpeech
ispeech.orgSide by side
| Figure | AquesTalk | iSpeech |
|---|---|---|
| Price from | ¥531.67/mo | $0.25/mo |
| Free plan | — | Yes |
| Free trial | — | Yes |
| Open source | — | Yes |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 8 | 15 |
| Spec score · Text-to-Speech Software | 8.6 (#35) | 9.2 (#6) |
| Spec score · Text-to-speech tools | 8.1 (#93) | 9.2 (#11) |
| API access | Yes | API access requires an API key, with mobile development, mobile production, and web/general production key types. |
| Commercial use | Yes | Yes |
| Export formats | WAV | aiff,mp3,ogg,wma,flac,wav,alaw,ulaw,vox,mp4 |
| Free plan | No | Yes |
| Platforms | web,windows,macos,linux,ios,android,api | web,ios,android,api |
| Product | AquesTalk is a Japanese speech-synthesis engine family used in embedded products and PC applications. | iSpeech provides text-to-speech and automated speech recognition services through APIs, SDKs, and online tools. |
| Support | The maker provides downloadable evaluation packages and manuals, an FAQ, and a contact channel for product inquiries. | The developer pricing page lists priority technical support with purchases; the API guide directs support requests to [email protected]. |
Plans
AquesTalk
- AquesTalk1 Development License (Personal Use)¥1,980 a month
- AquesTalk1 Use License¥6,380 a month
- Personal-use development license¥1,980, paid once
- AqKanji2Koe use license¥3,960, paid once
- AquesTalk10 use license¥6,380, paid once
- AquesTalk1 use license¥6,380, paid once
- AquesTalk2 use license¥6,380, paid once
- Commercial content use license¥6,380 a year
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.