Ultrahuman acquires viO HealthTech, launches Cycle Ovulation Pro

Ultrahuman has expanded its women’s health offering by acquiring viO HealthTech and launching Cycle Ovulation Pro for the Ultrahuman Ring AIR, a paid feature designed to deliver what the company calls the most accurate cycle tracking on a smart ring. The service, which unfolds in the United States, the European Union, the United Kingdom, Canada, and Australia, sits alongside the platform’s free Cycle and Ovulation options and the Pregnancy PowerPlugs. The company says the Pro tier builds on 15 years of research and a medical-grade lineage to support users with irregular cycles or conditions such as PCOS, endometriosis, or thyroid disorders.

The Cycle Ovulation Pro feature leverages viO HealthTech’s OvuSense-derived algorithm, adapted for noninvasive use through the Ring AIR’s skin-temperature sensor. Ultrahuman asserts that the technology can achieve over 90% accuracy in confirming ovulation, a claim supported by equivalence testing that compared the OvuSense-based approach with other fertility-tracking methods. The algorithm analyzes physiological patterns and temperature biomarkers captured during sleep to identify when ovulation occurs and to flag variability within a cycle....