iSpeech vs Voice.ai
iSpeech
ispeech.org
Voice.ai
voice.aiSide by side
| Figure | iSpeech | Voice.ai |
|---|---|---|
| Price from | $0.25/mo | $5/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | Yes |
| Open source | Yes | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | — |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 15 | 8 |
| Spec score · Text-to-Speech Software | 9.2 (#6) | 8.7 (#31) |
| Spec score · Text-to-speech tools | 9.2 (#11) | 9.2 (#10) |
| Company | iSpeech describes itself as a privately held company headquartered in Newark, New Jersey, with an office in San Francisco, California. | The About page identifies Heath Ahrens as founder and CEO and says he established iSpeech.org in 2007; it does not state Voice AI’s founding year or headquarters. |
| Free plan | Yes | Yes |
| Languages | The homepage says the Speech API supports text-to-speech and speech recognition in more than 30 languages. | The PC page says voices repeat speech back in the speaker’s language. |
| Product | iSpeech provides text-to-speech and automated speech recognition services through APIs, SDKs, and online tools. | Voice.ai offers real-time AI voice transformation for PC, plus text-to-speech and online audio tools. |
| Rating on Apple App Store | 4.0 out of 5 from 48 ratings for Translator - Voice to Voice Translation. | 4.0 out of 5 from 223 ratings |
| Paid from | 2.95 | 5 |
| Support | The developer pricing page lists priority technical support with purchases; the API guide directs support requests to [email protected]. | The pricing page lists priority support for Core and above, and technical success manager support for Business. |
| What it does | iSpeech provides cloud text-to-speech and automated speech-recognition services that turn text into audio or submitted audio into transcriptions. | Voice.ai provides AI voice changing, text-to-speech, voice cloning, audio tools and voice-agent services. |
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
Voice.ai
- FreeFree
- Starter$5 a month
- Launch$12 a month
- Core$99 a month
- Scale$330 a month
- Business$880 a month
- FreeFree
- EnterprisePriced on request
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.
Voice.ai
Voice.ai provides real-time AI voice transformation for PC, alongside text-to-speech and online audio tools. Its PC app describes its voice engine as deep-learning based and lets users hear a changed voice in real time. A library of user-generated voices and voice cloning are also listed. Voice.ai says transformed speech is returned in the speaker’s language. On Windows, it can work with microphone-enabled apps such as Discord, Zoom, Google Meet, WhatsApp, Skype and Twitch, plus games including Minecraft and Fortnite. The platform listing includes Windows, Mac, iOS and Android, while its API offering covers voice agents, cloning and text-to-speech. The free plan includes 5k credits/month and a five-minute audio conversion limit. Starter costs $5 a month and includes 15k credits/month and five instant voice clones. Higher plans add credits, clones, concurrent generation and agent-call capacity, with priority support on Core and technical success manager support on Business.