Once -A special period tracker 5.3.2

For all women who need a menstruation recording calendar

For all women who need a diary to track irregular menstrual pain and menstrual cycle

For all women who want to know about fertility, ovulation, contraception, and the probability of pregnancy through a calendar

For all women who are annoyed by marking menstruation and contraceptive pill on the calendar every time

For all women who secretly record the symptoms of their body on the calendar

Must Have! Menstrual cycle management app, Once

• [ We fulfill the standard of a menstrual cycle management app!]

** Menstrual calendar becomes more accurate the more you use it! It smartly calculates your menstrual cycle, making it easier to predict when menstrual pain will occur. In the menstrual calendar, you can see the expected menstrual date, ovulation day (with a high probability of pregnancy), fertility, and when to take contraceptive pill at a glance. In the calendar history, you can see your menstrual cycles at a glance.

** Taking care of ovulation date and fertility!

You can easily recognize the ovulation date, fertility, and expected menstrual date at a glance, allowing you to take better care of yourself.

** Scientific calculation of probability of pregnancy!

Based on the ovum survival period of 24 hours and the sperm survival period of 3 to 5 days, the 1 day before and after the ovulation date has a high probability of pregnancy. We display the probability of pregnancy as moderate during the fertility period.

** Prepare your body and mind in advance for important days!

Be prepared and avoid embarrassment on important days such as the expected menstrual date, fertility period with a high probability of pregnancy, and ovulation date. Once will notify you in advance with alarms and sensible messages.

** Easily save your precious daily records!

Save your data in a simpler and easier way than a diary. When you sign up, you can store all the data you record, such as menstrual dates, intimate dates, contraceptive pill usage, memos, auto-calculated ovulation dates, and fertility periods. Even if you change your smartphone or reinstall the app, you can retrieve your data in the menstrual calendar by logging in.

** Not just for menstrual dates, but also for intimate dates!

Easily record the condition or symptoms of your body, the start date of menstruation, and menstrual pain. Once can also serve as your secret diary where you can record intimate dates. You don't have to worry about someone secretly looking at your diary because it has a lock function.

** Neat and refined design that appeals to women's preferences!

The pretty app is not only visually appealing but also user-friendly. The refined and neat design enhances the usability of the menstrual calendar. With a simple menstrual calendar, you can see the expected menstrual date and fertility at a glance. Just like your cool diaries on your desk, check out this cool designed calendar application on your cell phone for tracking your period.

• [Request permissions]

• WRITE_EXTERNAL_STORAGE: Once uses this permission to save data.
• READ_EXTERNAL_STORAGE: Once uses this permission to load data.
• GET_ACCOUNTS: Once uses this permission to improve its web environment.

Let's choose Once, which always strives to offer the best service :D

* For a fast response, you can send your questions to once@malang.kr :)

• [In-app Purchases]

This service includes in-app purchase items, and a separate fee will be charged for purchases.

Terms of Service

Privacy Policy