Period Tracker & Pregnancy App

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Content rating
Everyone
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Content rating
Everyone
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About this app

LunaCycle brings period tracking and pregnancy support together in one elegant app. Log your cycle, see your fertile window and ovulation on a clear calendar and, when the time comes, follow your baby's growth week by week. Everything is stored privately on your device.

CYCLE TRACKING
- Cycle wheel that shows your current day and phase at a glance
- Calendar with logged periods, predicted periods, fertile days and ovulation
- Predictions up to six months ahead that adjust as you log more cycles
- Daily log for flow, symptoms, moods and cervical mucus in a couple of taps
- Notes for anything else you want to remember

PREGNANCY MODE
- Week-by-week view from week 4 to 40 with size comparisons, length and weight
- Countdown to your due date and trimester progress
- Contraction timer with duration, interval and a 5-1-1 alert
- Switch between cycle and pregnancy mode anytime; your data stays saved

WELLNESS
- Water intake with a daily goal
- Sleep log with bedtime, wake-up time and quality
- Weight tracking with a smooth trend chart

DESIGNED FOR CALM
- Soft, glass-like interface with light and dark themes
- Local reminders for upcoming periods and new pregnancy weeks
- Available in English, Spanish, French and German

PRIVACY FIRST
Your health data stays on your device. There is no account and no sign-up. Anonymous usage statistics and crash reports help keep the app stable.

LunaCycle helps you understand your cycle and your pregnancy. It does not provide medical advice, diagnosis or contraception; predictions are estimates based on the data you log. Please consult a health professional for medical questions.
Contraction Timer Health Flow, ovulation calendar and pregnancy companion.
Updated on
Sep 6, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Health and fitness, App info and performance, and Device or other IDs
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

Welcome to LunaCycle 1.0
• Cycle tracking with calendar, fertile window and ovulation predictions
• Daily log for flow, symptoms and moods
• Pregnancy mode with your baby's development week by week
• Contraction timer with 5-1-1 alert
• Water, sleep and weight tracking
• Light and dark themes, four languages
• Optional local reminders
Your data stays on your device.