Your body,
beautifully understood.
PeiShi's Period Tracker is a private, comprehensive women's health app. Log your cycle, moods, symptoms, and more — all stored on your device.
Today
Cycle Day 12
Next Period
16 days
Ovulation
in 2 days
Cycle Avg
28 days
Everything you need
Comprehensive tracking, beautifully simple.
Cycle Tracking
Log your period, predict the next one, and understand your 28-day rhythm.
Symptom Logging
Track cramps, mood, fatigue, BBT and 15+ symptoms with daily check-ins.
Fertile Window
Know your ovulation day and fertile window based on your unique cycle.
Insights & Trends
Spot patterns across cycles — mood, symptoms, flow — with visual charts.
Calendar View
See your full cycle history at a glance with a colour-coded monthly calendar.
Pill Reminder
Log contraceptive pill intake and set daily reminders so nothing is missed.
100% Private, Always
All data is stored on your device only. No accounts, no servers, no tracking. Your health data is yours.