ArcanAI

ArcanAI is a private, on-device AI chat app that runs open-source language models entirely on your iPhone or iPad. No accounts. No
subscriptions. No cloud. No internet required.

Import any GGUF model from Hugging Face and start chatting — every conversation happens locally, powered by hardware-accelerated inference using
Apple's Metal framework. Your messages never leave your device.

KEY FEATURES

- Run AI models 100% offline — on a plane, off the grid, anywhere
- Import any GGUF model from Hugging Face — choose the size and capability that fits your device
- Store and switch between up to 5 models at once
- Analyze documents — upload PDFs, spreadsheets, text files, CSVs, and more
- GPU-accelerated inference for fast, streaming responses
- Full conversation history with multiple independent chats
- Edit messages and regenerate responses
- Customize temperature, max tokens, and system prompts
- Beautiful dark UI with markdown-rendered responses
- Text-to-speech support

SUPPORTED MODEL FAMILIES

Llama, Gemma, Mistral, Phi, Qwen, and any ChatML-compatible model.

RECOMMENDED STARTER MODELS

- Llama 3.2 1B (~570 MB) — great for older devices
- Gemma 2 2B (~1.0 GB) — balanced performance
- Qwen 2.5 3B (~1.5 GB) — multilingual and code capabilities

PRIVACY FIRST

Zero data collection. Zero telemetry. Zero crash reporting. Zero cloud sync. Your conversations and model files stay on your device — always.