Period & cycle tracker Your cycle,
finally understood.
Track your period and mood every day, understand your menstrual phases, predict ovulation, and share your experience with your partner — in one private app.
- iOS & Android
- 100% private
- No ads, ever
- Free to try
4 phases, one rhythm.
Every cycle has four distinct phases, each with its own energy, mood, and physical needs. Luteal tracks them all and tells you what to expect — every single day.
Menstruation
Days 1–5
Your body sheds the uterine lining. Rest, warmth, and iron-rich foods are your allies. Energy is low — be gentle with yourself.
Follicular
Days 6–13
Estrogen rises, energy returns. This is the best time to start new projects, exercise, and socialize. Your mood naturally lifts.
Ovulation
Days 13–17
Peak estrogen and LH surge trigger ovulation. You feel radiant, confident, and social. Fertility is at its highest.
Luteal
Days 17–28
Progesterone rises, then drops if no pregnancy. Energy slows, introspection deepens. Good time for journaling and self-care.
Everything your cycle needs, nothing it doesn’t.
Five gentle tools that work together, from your first morning glance to the person you choose to share it with.
Your plan
Built from your answers: your phase each morning, your energy curve and a heads-up before harder days.
Your patterns
Mood, sleep and symptoms read across cycles, so you can see what repeats.
Cycle calendar
Every phase laid out day by day, with your next period and fertile window predicted.
Widgets
Your cycle day and phase on your iPhone Home Screen and Lock Screen.
Partner sharing
Your phase and gentle tips for the person who matters, only if you want.
A plan that moves with you.
Answer a few questions and Luteal builds your plan: where you are today, when your next period should come, and what each phase tends to bring for you.
- Your phase, every morningWhat your hormones are up to today, in plain words
Your energy curveYour highs and lows, cycle after cycle
PMS heads-upSee the harder days coming before they arrive
Some plan cards are part of Luteal Premium.
Know your cycle, every day.
See your current phase, days until your next period, and log your symptoms in seconds. Luteal gives you real-time insight into where you are in your cycle.
- Phase timelineMenstruation, Follicular, Ovulation, Luteal — visualized
Period predictionsAccurate next-period forecasts based on your history
Symptom loggingFlow, discharge, sleep, cramps and more
Track your mood, find your patterns.
Log how you feel each day with a single tap. Luteal reveals how your emotions shift across your cycle, so you can anticipate and understand your mood swings.
Daily mood check-in9 emotions, zero pressure — takes 5 seconds
Weekly trendsSee your dominant mood and patterns over time
Phase mood patternsDiscover which emotions recur at each phase
Your cycle, at a glance.
Add Luteal to your Home Screen or Lock Screen: day of cycle, phase, next period and the intention of the day — without opening the app.
Built for youUnderstanding your cycle means understanding your body.
Luteal helps you identify your patterns, anticipate your phases, and live in sync with your natural rhythm — no ads, no data sharing.
Built for connection.
Invite your partner to your space. They see your phase, your mood, and how to support you — all in a private, consensual way. No oversharing. No guessing.
Partner viewYour partner sees your cycle phase and today's mood — nothing more, nothing less.
Gentle tipsPersonalized suggestions help them support you at each phase of your cycle.
You control itYou decide what to share. Revoke access anytime with one tap.
Your cycle data is never shared with third parties.
— Luteal Privacy Policy
Your data belongs to you.
We built Luteal with privacy as a first principle, not an afterthought. Your most intimate health data deserves the highest protection.
Encrypted dataYour cycle, mood and symptoms are encrypted in transit and at rest.
Zero ads, everWe will never sell your data or show you advertising. Period.
You control sharingPartner access is opt-in, limited, and revocable at any time.
Delete anytimeOne tap to permanently delete your account and all your data.
Frequently asked questions
What is Luteal?
Luteal is a private period and cycle tracking app for iOS and Android. It tracks your menstrual phases, mood, symptoms, and ovulation, and lets you share your cycle with a partner.
Is Luteal free?
Luteal is free to download on the App Store. A premium version with additional features is available as an in-app purchase.
Does Luteal work on Android?
Yes. Luteal is available on iPhone and Android via a universal link that redirects to the App Store or Google Play Store depending on your device.
Is Luteal private?
Yes. Luteal is built with privacy as a first principle. Your cycle data is encrypted in transit and at rest, never sold or shared with third parties, and never shown to advertisers.
What is the luteal phase?
The luteal phase is the second half of the menstrual cycle, occurring after ovulation and before your next period. It typically lasts 10 to 16 days and is associated with a rise in progesterone, which can affect energy, mood, sleep, and appetite.
Start listening
to your body.
Free to download. No subscription required. No ads.
iOS & Android · Free · Premium available