VoiceFlo: tracking menustral cycle using voice biomarkers

VoiceFlo: tracking menustral cycle using voice biomarkers

What started out as a 24-hour challenge led to the discovery of a powerful new way to combine voice AI and wearable tech for accessible cycle tracking. Voice Flo combines a voice‐AI app with a smart, day‐worn earring to deliver highly accurate, hands‐free menstrual cycle tracking.

What started out as a 24-hour challenge led to the discovery of a powerful new way to combine voice AI and wearable tech for accessible cycle tracking. Voice Flo combines a voice‐AI app with a smart, day‐worn earring to deliver highly accurate, hands‐free menstrual cycle tracking.

ROLE

ROLE

Product Designer

Product Designer

CONTRIBUTIONS

CONTRIBUTIONS

Solely designed the VoiceFlo user experience and interface within 24 hours.

Solely designed the VoiceFlo user experience and interface within 24 hours.

TEAM

TEAM

3 people

Core team: 3 interaction designers, 3 industrial engineers & 1 guide

PROJECT TYPE & YEAR

PROJECT TYPE & YEAR

Health Hackathon, 2025

Health Hackathon, 2025

TOOLKIT

TOOLKIT

Figma, Midjourney, Kling Ai

Figma, Midjourney, Kling Ai

Global demand for accessible reproductive health tools is rising.

Global demand for accessible reproductive health tools is rising.

Global demand for accessible reproductive health tools is rising.

Manual period logging has 70% drop-off by month 3. Over 70% of women report that Clue, Flo, and similar calendar trackers simply don’t match their reality—inaccurate predictions, they don’t retain long-term engagement, the apps force you to rely on memory to log, and the apps lack personalization.

Manual period logging has 70% drop-off by month 3. Over 70% of women report that Clue, Flo, and similar calendar trackers simply don’t match their reality—inaccurate predictions, they don’t retain long-term engagement, the apps force you to rely on memory to log, and the apps lack personalization.

Manual period logging has 70% drop-off by month 3. Over 70% of women report that Clue, Flo, and similar calendar trackers simply don’t match their reality—inaccurate predictions, they don’t retain long-term engagement, the apps force you to rely on memory to log, and the apps lack personalization.

We wondered: How do we make cycle insights effortless, affordable, and inclusive?

We wondered: How do we make cycle insights effortless, affordable, and inclusive?

We wondered: How do we make cycle insights effortless, affordable, and inclusive?

By analyzing daily vocal biomarkers and periodic earlobe temperature and temperature readings, it predicts ovulation, and maps each phase in real time. The result is an intuitive, accessible solution that replaces manual logging with seamless, personalized insights.

By analyzing daily vocal biomarkers and periodic earlobe temperature and temperature readings, it predicts ovulation, and maps each phase in real time. The result is an intuitive, accessible solution that replaces manual logging with seamless, personalized insights.

Understanding your body should be as natural as speaking.

Understanding your body should be as natural as speaking.

Understanding your body should be as natural as speaking.

Our goal with VoiceFlo was to amplify the need for access to health education. Being able to use your voice to track menstrual cycle unlocked a new level of accessibility for people navigating their reproductive health.


Shout out to my teammates Srihita Rudraraju and Kali Fields Williams and to the hackathon organizers for creating space for us to explore these bold ideas.

Our goal with VoiceFlo was to amplify the need for access to health education. Being able to use your voice to track menstrual cycle unlocked a new level of accessibility for people navigating their reproductive health.


Shout out to my teammates Srihita Rudraraju and Kali Fields Williams and to the hackathon organizers for creating space for us to explore these bold ideas.

Our goal with VoiceFlo was to amplify the need for access to health education. Being able to use your voice to track menstrual cycle unlocked a new level of accessibility for people navigating their reproductive health.


Shout out to my teammates Srihita Rudraraju and Kali Fields Williams and to the hackathon organizers for creating space for us to explore these bold ideas.

©2026 Sierra