Your private fertility companion

Welcome to Luna 🌸

Enter your cycle details once and Luna will track your fertility phases, safe days, ovulation window, and help you plan — privately and beautifully.

Calendar
Tap a date to log your period
Period
Fertile
Ovulation
Safe days
PMS
Log for today:
Cycle Wheel
Where you are today
Coming Up
Next key events
Cycle Stats
Based on your data
Day of current cycle
Intimacy Guide
Conception planning
Fertility Details
This cycle's key dates
Medical Notice: Luna uses the Fertility Awareness Method (FAM) based on average cycle data. Results are estimates only — not medical guarantees. Cycle lengths vary naturally. For contraception, consult a healthcare professional. For conception difficulties after 12 months of trying, see a fertility specialist.