iSpeech vs TtsPlus
iSpeech
ispeech.orgTtsPlus
ttsplus.comSide by side
| Figure | iSpeech | TtsPlus |
|---|---|---|
| Price from | $0.25/mo | Free |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | Yes | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | — |
| Plans published | 15 | 1 |
| Spec score · Text-to-Speech Software | 9.2 (#6) | 7.5 (#167) |
| Spec score · Text-to-speech tools | 9.2 (#11) | 7.8 (#139) |
| API access | API access requires an API key, with mobile development, mobile production, and web/general production key types. | No |
| Export formats | aiff,mp3,ogg,wma,flac,wav,alaw,ulaw,vox,mp4 | MP3,Opus |
| Free plan | Yes | Yes |
| Languages | The homepage says the Speech API supports text-to-speech and speech recognition in more than 30 languages. | The homepage names Hindi, Indian English, Tamil, Telugu, Bengali, Spanish, French, German, Japanese, and Arabic among the languages covered by its guidance. |
| Platforms | web,ios,android,api | web |
| Security | The privacy policy says iSpeech uses commercially reasonable physical, managerial, and technical safeguards, while stating it cannot warrant the security of transmitted information. | The billing policy describes safeguards including access controls, password hashing, request validation, anti-forgery tokens, rate limits, bot filtering, and security headers, and says these are not a certification or security guarantee. |
| Support | The developer pricing page lists priority technical support with purchases; the API guide directs support requests to [email protected]. | TtsPlus says it replies to every enquiry through its contact form and accepts bug, abuse, and copyright reports there. |
| What it does | iSpeech provides cloud text-to-speech and automated speech-recognition services that turn text into audio or submitted audio into transcriptions. | TtsPlus is a browser-based workspace for turning text into spoken audio, arranging multi-speaker dialogue, exploring voices, transcribing audio, and organising projects and activity. |
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.