expo-ondevice-ai

Expo module for on-device AI using Locanara SDK.

All AI processing happens locally on-device - no data leaves the user's device.

Not using Expo? Use react-native-ondevice-ai for bare React Native apps via Nitro Modules.

Installation

npx expo install expo-ondevice-ai

Requirements

• Expo SDK 52+
• iOS 26+ (Apple Intelligence)
• Android 14+ (Gemini Nano)
• Web: Chrome 138+ (Chrome Built-in AI / Gemini Nano)

Usage

import {
  initialize,
  getDeviceCapability,
  summarize,
  classify,
  chat,
  translate,
  rewrite,
  proofread,
} from 'expo-ondevice-ai';

// Initialize the SDK
await initialize();

// Check device capability
const capability = await getDeviceCapability();

// Summarize text
const summary = await summarize('Long article text...', {
  inputType: 'ARTICLE',
  outputType: 'THREE_BULLETS',
});

// Classify text
const result = await classify('Great product!', {
  categories: ['positive', 'negative', 'neutral'],
});

// Translate
const translated = await translate('Hello', {
  targetLanguage: 'ko',
});

Features

| Feature | Options | Description | | --- | --- | --- | | summarize(text, options?) | inputType?, outputType? | Text summarization | | classify(text, options?) | categories?, maxResults? | Text classification | | extract(text, options?) | entityTypes? | Entity extraction | | chat(message, options?) | systemPrompt?, history? | Conversational AI | | chatStream(message, options?) | onChunk?, systemPrompt? | Streaming chat | | translate(text, options) | targetLanguage, sourceLanguage? | Language translation | | rewrite(text, options) | outputType | Text rewriting | | proofread(text) | - | Grammar correction |

Documentation

Full API documentation and guides are available at locanara.com/docs/libraries/expo.

License

AGPL-3.0