Luna Cycle: Period Tracker

Track your period, understand your cycle, and stay prepared with Luna Cycle.

Luna Cycle is a private period tracker and menstrual calendar for personal cycle awareness. View your estimated next period, fertile window, ovulation estimate, PMS, and cycle phases in one clear overview.

PERIOD & CYCLE CALENDAR

• Log period start dates and daily flow
• See your current cycle day and estimated next period
• Review period length, cycle length, and recent cycle history
• Explore follicular, fertile, ovulation, luteal, and PMS phases
• Use a clear monthly menstrual calendar

OVULATION & FERTILE WINDOW ESTIMATES

• View estimated fertile days and ovulation
• See how many days remain before important cycle events
• Compare calendar estimates with cervical fluid, libido, energy, and light pain
• Review confidence information when available

PRIVATE SYMPTOM JOURNAL

• Log flow, pain, mood, energy, sleep, and body signals
• Add private daily notes
• Review recent entries and 14-day patterns
• Compare expected cycle patterns with your own logged signs

CUSTOM REMINDERS

Create reminders for your expected period, fertile-window start, ovulation estimate, daily journal, and pill time. Choose the advance notice and exact time that fit your routine.

PRIVACY & PERSONALIZATION

Your cycle dates, symptoms, notes, and reminders stay on your device. Use app lock, discreet notifications, data export, and deletion controls. Choose your preferred language, theme, and screen organization.

FOR PERSONAL TRACKING, NOT MEDICAL USE

Luna Cycle is designed for personal cycle tracking and general information only. It is not a medical device and does not diagnose, treat, cure, or prevent any medical condition.

Period, fertile-window, and ovulation dates are estimates and must not be used as contraception. Consult a qualified healthcare professional for medical advice, diagnosis, or treatment.