Altered Studio vs Supertonic 3
Altered Studio
altered.aiSupertonic 3
supertonic3.github.ioSide by side
| Figure | Altered Studio | Supertonic 3 |
|---|---|---|
| Price from | $30/mo | — |
| Free plan | Yes | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 6 | 0 |
| Spec score · Text-to-Speech Software | 9.5 (#1) | 7.5 (#164) |
| Spec score · Text-to-speech tools | 9.3 (#6) | 7.9 (#120) |
| API | An API is available to Enterprise customers for integrating Altered Studio into other systems. | The maker links a Supertone API for expressive voice generation across 31 languages with adjustable speech controls. |
| API access | The FAQ says API access is offered to Enterprise customers for integrating Studio into other systems. | Yes |
| Free plan | Yes | Yes |
| Headquarters | The privacy policy gives Altered Ltd's address as Ground Floor, 298 West End Lane, London NW6 1LN, UK. | Seoul, Republic of Korea |
| Integrations | The online Voice Editor can work with audio files in Google Drive, and RealTime Pro routes audio through a virtual microphone to apps including Discord, Zoom, Microsoft Teams, and Google Meet. | The maker lists Python, Node.js, web, iOS, Android, and C++ runtimes with examples. |
| Product | Altered Studio combines multiple Voice AI technologies in one platform for creating professional voice content. | Supertonic 3 is a 99M-parameter open-weight multilingual text-to-speech model that runs locally on CPU using ONNX Runtime. |
| Voice cloning | Users can make a Rapid Voice Clone with 4–8 seconds of audio; custom voice models are available by contacting Altered. | The linked Voice Builder supports zero-shot cloning by recording or uploading a short reference and synthesizing across 31 languages. |
Plans
Altered Studio
- FreeFree
- Creator$30 a month
- Professional$90 a month
- Creator$360 a year
- Professional$1,080 a year
- EnterprisePriced on request
In their own words
Altered Studio
Altered Studio combines voice transformation and audio production tools for creating professional voice content. Its Speech-to-Speech and Performance-to-Performance morphing changes a voice while retaining the speaker’s performance. Other tools include text-to-speech, voice cloning, AI voice cleaning, denoising, audio editing, DSP effects and batch processing. Studio supports transcription and translation in 75+ languages, and text-to-speech voice-over in 70+ languages. A Rapid Voice Clone can be made from 4–8 seconds of audio; custom voice models are available by contacting Altered. The online Voice Editor can work with Google Drive audio, while RealTime Pro routes audio through a virtual microphone to apps including Discord, Zoom, Microsoft Teams and Google Meet. The free plan includes 3 minutes per month of voice morphing and 10,000 AI tokens. Creator costs $30 a month billed annually; Professional costs $90 a month billed annually. Desktop use requires a Windows PC with an 8GB+ Nvidia GPU, and mobile devices are not currently supported.
Supertonic 3
Supertonic 3 has no write-up on Specifiction yet; its figures are above.