Hiyd

Hiyd Seeks to Turn Any Watch Into a Health Tracker Without Magnets or Adhesives

Former Apple engineers have introduced Hiyd, a biometric sensor designed to attach to an existing watch without magnets, adhesives, or a dedicated wristband. The concept targets a large consumer gap: people who want continuous health tracking without replacing the watch they already wear. The product positions itself at the intersection of wearable hardware, sensor miniaturization, and frontier AI-driven health monitoring.