Fitbit founders launch AI platform to help families monitor their health

Fitbit founders James Park and Eric Friedman have launched Luffu, an AI-driven startup designed to help families proactively monitor and manage their collective health. The platform begins as an app and will eventually include hardware devices, aiming to reduce the mental burden of caregiving by organizing and analyzing family health data. Luffu uses artificial intelligence to gather information, recognize daily patterns, and alert users to significant changes in health metrics, enabling families to stay coordinated without feeling intrusive. The founders highlight that while many consumer health tools focus on individuals, real-life health management often involves multiple family members, including partners, children, parents, and even pets. Luffu consolidates scattered health information—such as medications, symptoms, lab tests, and doctor visits—across various formats and devices into one system. Users can input data via voice, text, or photos, and the AI proactively surfaces insights and alerts, like unusual vitals or sleep changes. The platform also supports natural language queries to help caregivers understand the