Free Period Tracker — Track Your Cycle Online
Luna is a free period tracker that helps you track your menstrual cycle, predict your next period, and understand your body. No app download needed. Luna is completely free — no credit card, no hidden fees, no app store download required.
What You Get
Everything included, completely free
Period date prediction
Cycle calendar view
Flow intensity tracking
PMS symptom logging
Partner Mode sharing
Works offline as PWA
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
How accurate is Luna's period prediction?
Luna uses your logged period history to calculate predictions. After 2–3 cycles, accuracy typically reaches 85–90%. The more you log, the smarter it gets.
Is Luna really free?
Yes. All core features including period tracking, calendar, symptoms logging, and wellness tips are completely free. No credit card required.
Do I need to download an app?
No download needed. Luna works directly in your browser. You can also install it as a PWA (Progressive Web App) on your phone home screen for a native app feel.
How do I start tracking my period?
Create a free account, enter your average cycle length, and start logging. Luna will immediately show your predicted upcoming dates.
Also Try
Start tracking Period Tracker today
Free forever, for everyone. No credit card needed.
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