The world's first in-ear ovulation predictor.

You know, with YONO.

YONO, the world's first in-ear ovulation predictor.

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Data-driven, effortless, empowering.

Before YONO, women concerned about their fertility window had to go through a complicated process of data collection. Now, women have the option of letting technology do all the work with much more insight, because YONO does all the work. YONO is an easy to use, comfortable silicone-encased earpiece (similar to an ear bud) which is worn all night. Over a hundred data point is collected during sleep, and the data syncs when the earbud is stored in the base station the next morning. After a night of wearing YONO, users connect it to their smartphones and data automatically syncs to the iOS application. The YONO APP uses machine learning algorithms to plot a monthly fertility chart to predict the fertile window.