Voice Lab: STT, TTS & More

About Voice Lab: STT, TTS & More

Voice Lab: STT, TTS & More is your offline voice studio directly on your phone. Transcribe speech, generate natural voices, and work with audio on your device, without sending recordings to the cloud.

Eight voice tools. One app.
• Speech-to-text — Turn recordings and live audio into text, fully offline
• Text-to-speech — Hear any text in natural-sounding voices
• Translation — Translate spoken audio on device
• Punctuation — Add commas, periods, and more to plain text with local AI
• Subtitles — Generate timed subtitles from audio and a transcript
• Speech enhancement — Reduce noise and clean up recordings
• Voice cloning — Generate speech that matches a reference voice
• Voice activity detection — Find where speech starts and stops
• Download manager — Add larger, more accurate models when you need them
• Built for speed — Up to 100× faster on supported devices with NPU acceleration

Privacy & transparency
- Local‑first: Processing runs on your device by default.
- No account required: Get started immediately without sign‑in.
- You stay in control: Sharing/export only happens when you explicitly choose it.

Made for real use
Whether you’re capturing ideas on the go, prepping content, or just prefer tools that work without Wi‑Fi — Voice Lab keeps speech processing local, fast, and under your control.

Free to start. Pro when you need more
Generous free limits for everyday use. Upgrade for unlimited usage, ad-free experience, and pro export formats.

A note on models
Results depend on the model and device you use. You pick the balance of speed, size, and quality.

Who it’s for
- Creators and power users who need practical audio utilities on the go.
- Privacy‑conscious users who want offline speech tools.
- Developers and researchers exploring on‑device speech pipelines.

Built with open-source technology (MIT). Learn more: github.com/XDcobra/react-native-sherpa-onnx