IN: (sync)
A visualized hormonal tracker to support predicting their emotional, physiological changes
2026
UXUI Case Study

Duration
15 weeks
Industry
Healthcare & Wellness, B2C
Role
UX Research, Market Research, UXUI Design, System Design, Prototyping
IN: (sync) explores how to support hormonal awareness efficiently in everyday life for women from their period to menopause. With secure tracking and visualized overview, the system helps to understand their emotional and physiological transitions caused by hormonal transitions and their daily routine that foster reflection and understanding by themselves.

User Research
To represent the potential user group and better understand their need
25% of women in the United States are struggling with irregular period.
The impact of daily routine on the menstruation is approximately 45%.
Business Consideration
For providing better solution to deal with tracking both everyday life pattern and menstruation

Through an analysis of the improved opportunity and the position of service in the current market, this app focuses on providing a holistic menstrual and wellness experience, bridging data-driven accuracy.
Visualized Hormone Tracker
To support users to intuitively understand their cycle pattern with visualized prediction
Daily Routine-related Insights
By tracking lifestyle patterns, it generates insights how it impact on cycle
Personalized Care Center
AI services and Telehealth support solving general health concerns

Evaluation
Test low fidelity wireframe with potential users and refine the solution
Tested User

Method
Concept Testing
Flow Testing
Feature Testing
Co-create & Ideate
with UsersSynthesize Learnings
Feature Ranking
Idea Iteration from Learnings
Results
Daily habits such as exercise, sleep, and diet directly affect their menstrual condition
They adjust routines during period to maintain balance and comfort.
Design Iteration
Develop prototypes based on the result of user testing

"How might we design a system to support women to be aware of their hormone flow for a better understanding"
Refined the prototypes referred to the result of user testing with 9 participants



This feature reframes emotional fluctuations from "mood problems" to "cycle information." It validates that mood changes are physiological, predictable, and manageable when understood in context. Users move from self-criticism to self-awareness, from reactive emotions to proactive emotional wellness.
Through analyze the daily routine and cycle pattern based on the records, the app presents how the routine impacts on your hormonal changes and suggest them for a better hormonal experience.
The combination of quick logging and intelligent AI creates a system that works with you, not against you. Tracking becomes effortless, insights become personal, and guidance becomes contextual.
Reflection & What I Would Do Further
Design for lifelong wellness with privacy and trust
I would like to create an app that genuinely grows with women through every life stage, enables partners to understand through selective sharing, and maintains clear AI boundaries—designing for lifelong wellness rather than a single phase.
Life stage flexibility
Menstruation is only one chapter in women's hormonal lives.
How might we design a modular system that evolves from cycle tracking, pregnancy support, perimenopause management, to post-menopausal wellness for a lifelong companion.
Privacy-first sharing
Relationship understanding is the most powerful design catalyst.
By designing a privacy-first sharing system where women control what to disclose creates trust without surveillance to support increasing emotional support between partners or family.
Clear boundaries for AI Assistant
How might we design AI Assistant that users feel safe exploring questions without false certainty.
Next steps involve rigorous safety testing with healthcare providers and implementing clear escalation pathways when users need professional care.




















