100% On-Device • Zero Data Collection

AI that stays
on your iPhone

Powerful AI assistant combining Apple Intelligence with advanced MLX models. Everything runs locally — your conversations never leave your device.

Download on the App Store See it in action

0 data sent to cloud

20+ AI models available

4 languages supported

Why OnDeviceAI?

The only AI assistant that combines Apple's native intelligence with open-source models — all running entirely on your iPhone.

Complete Privacy

Zero analytics, zero tracking, zero cloud processing. Your conversations exist only on your device. GDPR compliant by design.

Apple Intelligence First

Native integration with iOS 26+ Neural Engine. Instant responses with zero setup. The fastest on-device AI experience.

20+ Open Models

Download Llama 3.2, Qwen 2.5, Gemma 2, Phi-3.5, and more. Smart recommendations based on your device capabilities.

Works Offline

Full functionality without internet. Perfect for flights, remote areas, or when you simply want to disconnect.

Real-Time Streaming

See responses as they're generated, token by token. With live performance stats showing tokens per second.

Smart Performance

Automatic thermal management and memory optimization. The app adapts to your device's capabilities in real-time.

Choose Your Model

From ultra-fast 260MB models to powerful 5GB reasoning engines. Pick the right model for your needs.

Fast & Light

Quick Conversations

Qwen 2.5 0.5B — 350 MB, ultra-fast
OpenELM 450M — 260 MB, Apple's own
Llama 3.2 1B — 700 MB, latest Meta
SmolLM2 1.7B — 950 MB, balanced
Phi-3.5 Mini — 2.1 GB, strong reasoning

iPhone 15+

Recommended

Best Balance

Qwen 2.5 3B — 1.8 GB, versatile
Llama 3.2 3B — 1.8 GB, latest Meta
Gemma 2 2B — 1.2 GB, Google creative
Mistral Nemo 12B — 2.4 GB, multilingual

iPhone 15 Pro+

Maximum Power

Complex Tasks

Llama 3.1 8B — 4.2 GB, flagship
Qwen 2.5 7B — 4.1 GB, top reasoning
Gemma 2 9B — 5.1 GB, Google premium
Qwen Coder 7B — 4.2 GB, 90+ languages

iPhone 16 Pro+

See It In Action

Native SwiftUI interface designed for a fluid, responsive experience.

OnDeviceAI main chat interface with AI response streaming — Chat Interface

Real-time AI response with token streaming and performance stats — Streaming Responses

Model selection screen with Apple Intelligence and MLX models — Model Selection

App settings with theme, language, and AI configuration options — Settings

Privacy documentation and resource pages — Resources

Built for Privacy

Unlike cloud-based AI assistants, OnDeviceAI processes everything locally. There is no server. There is no account. There is nothing to breach.

No data collection of any kind
No analytics or tracking
No cloud processing — ever
No account or sign-up required
GDPR & CCPA compliant by design

AI that stayson your iPhone