Private · Simple · Personal
Track periods, mood, symptoms and sleep. No account needed. Health records stay on-device by default.
For iPhone and iPad · Free download, with in-app purchases and ads
Core Features
From cycle prediction to daily logging, LunaCycle turns scattered body data into trends you can actually read.
Smart predictions for your next period, ovulation day and fertile window based on your history.
Symptoms, mood, sleep, temperature, weight, exercise, medication and notes — all in one place.
Visualize cycle length, sleep and mood changes over time.
Health records stay on-device by default. Sign in to run a manual backup for device switching. Some features require a subscription or in-app unlock conditions.
Period, medication and logging reminders so nothing slips by.
Available in Chinese, English, Japanese, Korean, French, German and more.
We explain exactly what we collect, why we collect it, and how you stay in control.
Cycle and ovulation predictions are estimates, not diagnosis, treatment or contraception. Consult a qualified clinician about health concerns.