iPeriodClassy, elegant, discreet.
Trusted by millions worldwide, with your privacy as our priority.
Track periods, cycles, fertility signs, moods, symptoms, weight and more with over 80 tracking options, and predictions that get smarter with every entry.
Your whole cycle, beautifully in view.
A calendar that tells the story of your month at a glance, with the detail you want when you need it.
Thoughtful tools, refined over 18 years.
Personalized predictions
iPeriod’s algorithm learns from each entry, so predictions for your next 12 periods get more accurate over time.
80+ tracking options
Flow, symptoms, moods, notes and your own custom symptoms, shown as icons right on the calendar.
Fertility & BBT
Ovulation and fertile-window predictions, cervical fluid, ovulation tests and basal body temperature charts.
Smart reminders
Get notified about expected or late periods and fertility, and set personal reminders for pills, water or exercise.
Apple Health
Bring in periods, weight, BBT and activity from Apple Health and see them on your home screen.
Doctor-ready reports
Export clear reports for any time frame. Perfect for preparing for an appointment.
Your data. Your business.
We never sell or share your private health data.
Protect iPeriod with a passcode or Face ID, back up with encrypted sync, or keep everything on your phone. Your cycle stays yours.