Private LLM is a privacy-focused AI chat app for iPhone, iPad, and Mac that runs entirely on-device. No cloud, no tracking, no logins required. It supports leading open-source models like DeepSeek R1, Llama 3.3, Qwen3, and Gemma 3, all quantized in-house using OmniQuant and GPTQ for high-quality output. The app integrates with Siri and Apple Shortcuts to build AI workflows without code, and offers system-wide writing tools on macOS. A single purchase unlocks the app across all Apple devices and includes Family Sharing for up to six people. Built by two engineers in the EU, Private LLM is bootstrapped and subscription-free.