Altered Studio vs Inworld AI
Altered Studio
altered.ai
Inworld AI
inworld.aiSide by side
| Figure | Altered Studio | Inworld AI |
|---|---|---|
| Price from | $30/mo | $25/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 6 | 6 |
| Spec score · Game Voice Generators | 9.4 (#2) | 8.2 (#19) |
| Headquarters | The privacy policy gives Altered Ltd's address as Ground Floor, 298 West End Lane, London NW6 1LN, UK. | Mountain View, California, United States |
| 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 documentation lists OpenAI compatibility and a Twilio telephony integration for Realtime TTS. |
| Product | Altered Studio combines multiple Voice AI technologies in one platform for creating professional voice content. | Inworld describes itself as a research lab and inference provider for realtime AI at consumer scale, with first-party TTS and STT models and customer-selected LLMs. |
| Security | The privacy policy says Google Drive access is optional and that Google user data is used only to provide or improve user-facing application features. | Inworld states it has SOC 2 Type II certification and HIPAA and GDPR compliance, and describes AES encryption for data at rest and in transit. |
Plans
Altered Studio
- FreeFree
- Creator$30 a month
- Professional$90 a month
- Creator$360 a year
- Professional$1,080 a year
- EnterprisePriced on request
Inworld AI
- On-DemandFree
- Creator$25 a month
- Builder$100 a month
- Developer$300 a month
- Growth$1,500 a month
- 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.