Privacy AI is an offline AI chatbot hub that runs entirely on-device, ensuring your data stays private and secure. It offers a selection of open-source large language models like LLaMA, Mistral, Phi3, StableLM, and Gemma2, optimized for Apple devices. Users can customize AI interactions by adjusting parameters such as sampling temperature, system prompt, and Top-p value. The app works on iPhone, iPad, and Mac, providing a consistent experience across devices. It includes a free model, with a subscription or one-time purchase to unlock more models.