Apfel: The Free AI Already Living on Your Mac There’s a capable AI assistant sitting idle inside your Mac right now, and most people have no idea it exists. Apfel, a free and open-source project that surfaced on Hacker News earlier this year, wraps Apple’s own on-device AI infrastructure into a clean, privacy-first assistant that runs entirely on your machine. No API key. No $20/month subscription. No data streaming to a server farm in Oregon. ...