CycleSync Mama

Coalition Devs

About this app

CycleSync Mama is a simple and private offline tracker designed to help you monitor your menstrual cycle and estimate pregnancy due dates using your last menstrual period (LMP).
All data stays on your device. No accounts. No cloud sync. No internet required.
Period Tracking
Log your period start and end dates
Predict your next period
Estimate ovulation day
View fertile window
Track cycle length and period length
Monthly calendar with clear visual markers
Daily Logs
Record flow level
Track symptoms such as cramps, bloating, headaches, mood changes
Add personal notes
Tap any day in the calendar to edit logs instantly
Pregnancy Mode
Enter your LMP
Automatic Estimated Due Date calculation
Gestational age in weeks and days
Trimester tracking
Countdown to due date
Private by Design
No data collection
No account required
No cloud storage
No third-party tracking
Everything remains stored locally on your phone
CycleSync Mama is built for simplicity, privacy, and clarity. Whether you want to track your cycle or estimate your pregnancy timeline, it gives you reliable calculations without unnecessary complexity.
Important Notice
This app provides estimates based on standard medical calculations. It is not a medical diagnosis tool. Always consult a qualified healthcare professional for medical advice.