OptimalAI mobile

PRIVATE BETA · ON DEVICE

Keep speech close.

Offline text-to-speech for Expo and React Native. Your models, text, and generated WAV stay on device.

Start buildingRead the API

01 / Two paths, one interface

K

Kokoro, the dependable voice.

The Private Beta path for Chinese, English, and mixed text. Load once, then generate with 103 fixed voices.

Read the quickstart

A

Audio8, a more personal reference.

An experimental on-device engine. Bring the assets, edit the text, and explore local voice cloning.

Explore the preview

02 / Keep every output

The SDK writes one local mono WAV, then gets out of the way. Playback, caching, and deletion stay in your app.

No cloud calls · No runtime downloads · Expo Development Build required