Menstrual Cycle Tracker — Understand Every Phase
Track your full menstrual cycle with Luna. Understand the menstrual, follicular, ovulation, and luteal phases. Get tailored wellness tips for each phase. Luna is completely free — no credit card, no hidden fees, no app store download required.
What You Get
Everything included, completely free
All 4 phases tracked
Phase-based tips
Fertility window
Ovulation prediction
PMS warning
Cycle insights
Get Started in 3 Steps
Up and running in under 2 minutes
1
Create your free account
Enter your name, email, and average cycle length. Takes 60 seconds.
2
Log your first period date
Mark the start of your current or last period. Luna immediately calculates your upcoming dates.
3
Track daily & see patterns
Log flow, symptoms, and mood each day. After 2–3 cycles, predictions reach 85–90% accuracy.
FAQ
Frequently Asked Questions
What are the 4 phases of the menstrual cycle?
The menstrual cycle has 4 phases: Menstrual (days 1–5, period), Follicular (days 6–13, energy rising), Ovulation (around day 14, peak fertility), and Luteal (days 15–28, wind down/PMS).
How does Luna track all 4 phases?
Luna uses your period start date and average cycle length to calculate which phase you're in each day. It shows phase-specific tips for nutrition, exercise, sleep, and self-care.
Can Luna help with irregular cycles?
Yes. Luna averages your last 6 cycles to predict future dates. It handles cycle lengths from 21 to 45 days.
What's the difference between a period tracker and a cycle tracker?
A period tracker just logs your period dates. A cycle tracker like Luna tracks your entire cycle including all phases, symptoms, moods, energy, and wellness.
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