AirCaps is an AI copilot for in-person conversations, delivered as an app for lightweight AR glasses. It overlays live captions, translations, AI meeting notes, and insights onto the user's field of vision during face-to-face interactions. The founders have worked on smart glasses and audio AI for over a decade, building their first Google Glass apps at age 13. As of its YC Fall 2025 launch, AirCaps reported $93K in October revenue, 6.5x month-over-month growth, and processing of 16,500 hours of conversations.