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Know your rhythm.

Period apps ask you to log symptoms. Attune listens to your body instead.

Join the waitlist or the pilot.

Your cycle

Four phases. One rhythm.

Your body changes all month long, and your wearable already notices: temperature, resting heart rate, sleep. Attune turns those signals into a clear picture of where you are.

  • Menstrual

    Days 1–5

    Hormones are at their lowest and your temperature sits at its baseline. Energy often dips.

  • Follicular

    Days 6–13

    Estrogen climbs. Resting heart rate and temperature stay low, and energy tends to build.

  • Ovulation

    Days 14–15

    Estrogen peaks and an egg is released. Your body is about to shift gears.

  • Luteal

    Days 16–28

    Progesterone rises. Temperature goes up a few tenths of a degree and resting heart rate often follows.

Shown for a typical 28-day cycle. Every body has its own rhythm.