News summary

Hiyd is a health tracker that attaches to the watch you already wear

Source: TechCrunch • Published: 14 Oct 2026, 19:00

Summarized by Masters of Longevity from TechCrunch.

A look at a wearable accessory story that explains a slim biometric sensor designed to attach under your watch and how the company frames its health-tracking app and design ethos.

Hiyd is a health tracker that attaches to the watch you already wear
Key Takeaways
  • The device is a 2.7 mm thick, 7 gram disc that attaches under a watch using microsuction technology.
  • It records heart rate, heart rate variability, sleep staging, movement, calories burned, and estimated VO2 max.
  • Over 16,000 people have placed deposits ahead of a planned November Kickstarter launch.
Read the full article at TechCrunch ↗

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