OnDays

yiyum

About this app

OnDays is a period tracking and cycle prediction app for "the days when my rhythm turns on."

Without complex settings, simply recording your day allows us to predict your next cycle.

■ For Those Who
- Want to record your menstrual cycle without pressure
- Want to see your next expected date, ovulation, and fertile period at a glance
- Are looking for an app that contains only what you need, without complex features

■ Key Features
- Record your period start date and duration
- Calculate average cycle and next expected date based on recent records
- Color-code your record date, expected date, ovulation date, and fertile period on the calendar
- Check your remaining days until your next period (D-day) immediately on the home screen
- Log in with your Google account to maintain your records even when switching devices

■ Privacy
- Your records are securely stored only in your account and cannot be viewed by others.

- We do not sell personal information or use it for advertising. - Privacy Policy: https://period-six.vercel.app/privacy

■ Note

- The estimated date and ovulation/fertile period are reference information calculated based on the records entered,

and do not replace a medical diagnosis or a determination of contraception or pregnancy.

Turn on your rhythm today. OnDays.

What’s new

• 달력에서 아직 오지 않은 날은 기록되지 않도록 막고, 흐리게 표시해요.
• 기록이 서로 겹쳐 저장되던 경우를 막았어요.