Cycle Tracker: Period Log

Cycle Tracker is a comprehensive menstrual health app designed by Ricardo Santos, MD, PhD — a gynaecologist and reproductive medicine specialist. Clinical rigour meets intuitive design to help you truly understand your body.

DETAILED CYCLE TRACKING
• Log menstruation, spotting, cervical mucus, basal body temperature, LH surge tests, and intercourse
• Visual calendar with colour-coded events and predicted fertile windows
• Log flow as light, moderate or heavy, plus breast tenderness, headache and irritability
• Informative checks on your own data, such as prolonged bleeding or a short luteal phase, to discuss with your doctor

PREDICTIONS & ANALYTICS
• Predictions calculated from your own cycle history, not population averages
• Cycle regularity assessment and length trend analysis
• Historical pattern recognition across multiple cycles
• Personalised insights based on your unique data

PRIVACY FIRST
• All data stored locally on your device — never shared, never uploaded
• Optional biometric authentication (Face ID / Touch ID)
• No advertising, no data collection, no third-party access
• Complete offline functionality

SHARING & EXPORT
• Cycle report as a PDF to share with your doctor
• Export your data as JSON, CSV or XML for backups and consultations
• Ferticare patients: send your cycle history to the clinic through the Ferticare app
• Optional Apple Health integration

SMART NOTIFICATIONS
• Customisable reminders for upcoming periods
• Ovulation and fertile window alerts
• Notification settings fully under your control

DESIGNED FOR EVERYONE
• Available in English, Portuguese, and French
• Full dark mode support
• Accessible and inclusive design

Cycle Tracker was developed with the clinical care your reproductive health deserves. Whether you are monitoring your cycle, planning a pregnancy, or simply learning your body's patterns — this app gives you the tools to do it right.

IMPORTANT
Cycle Tracker is a tracking and educational tool, not a medical device. Predictions are statistical estimates calculated from the cycle history you enter — they are not a diagnosis and must not be used as a method of contraception or to rule out pregnancy. Always speak to your doctor before making any medical decision.

Developed by Ricardo Santos, MD, PhD
Gynaecologist · Reproductive Medicine Specialist
Assistant Professor, University of Porto Faculty of Medicine
Researcher, CINTESIS — Centre for Health Technology and Services Research
Ferticare, Centre for Reproductive Medicine, Braga
Hospital Senhora da Oliveira, Guimarães