Luna Luna has been supporting women's menstruation for over 20 years! ! We have exceeded 20 million downloads! !
This is a basic free menstrual date management app packed with information that women are concerned about, such as the next menstrual date, ovulation date, periods when it is easy to get pregnant/periods when it is difficult to get pregnant, recommended periods for dieting, and daily physical condition!


◇◆Overview◆◇
When your period arrives, simply enter the date of your period.
Just by doing that, you will be informed of the state of your body and mind, such as the expected date of your next period (predicted menstrual date), expected date of ovulation (predicted ovulation day), the best time to go on a diet, and the condition of your skin!
The more you record your menstrual days, the more accurate the prediction will be according to your cycle! This is a very convenient health management app for women that allows you to easily predict your menstrual date.

◇◆Unique algorithm only for Luna Luna◆◇
We provide Luna Luna's unique ovulation day prediction algorithm developed based on data that Luna Luna has accumulated for over 15 years. (*Patented)
We will notify you of your expected ovulation date and pregnancy potential according to your menstrual cycle!

◇◆“Luna Luna” is also available in medical institutions! ◆◇
Data recorded with Luna Luna can be used at gynecology and obstetrics and gynecology clinics nationwide.
The number of medical institutions that have introduced Luna Luna Medical is expanding nationwide!

◇◆Luna Luna app features◆◇
- Display your next menstrual period on the home screen with a countdown. You can see the specific expected period date, expected ovulation date, and high/low probability of pregnancy at a glance when you open the app!
・When your menstrual period approaches, a record button will be displayed on the home screen. You can easily record each menstruation with just a tap.
・The menstrual cycle and the condition of the body and mind are actually closely related. We deliver five indexes (advice) of "body," "heart," "diet," "skin," and "beauty" that are updated every day, 365 days a year, according to your menstrual cycle!
・When you want to make plans for the future, check the expected period date/ovulation date on the calendar! You can check up to three months in advance, so you can use it for planning trips, etc.

◇◆Basic functions◆◇
1. Menstrual date prediction/ovulation day prediction
Based on the recorded menstrual start dates of your previous periods, it will predict and notify you of your next menstrual period and ovulation date.

2. Prediction of pregnancy potential
It calculates your menstrual cycle based on your past periods and predicts your current pregnancy potential (days when you are likely to get pregnant/days when it is difficult to get pregnant).

3. Daily updated index (physical condition advice)
Changes in female hormones caused by menstruation and physical condition are closely related, such as irritability before menstruation, swelling of the body, and rough skin during menstruation. Luna Luna's index (physical condition advice) informs you about the condition of your body and mind every day.
The content changes 365 days a year, so you can check the content every morning and plan what kind of day you want to have.

4. Calendar
You can check the expected date of your next menstrual period, expected date of ovulation, and periods when you are likely to become pregnant on the calendar. It is also convenient to tap the date and record your physical condition for that day.
You can also record plans such as "hospital" and "date".

5. Physical condition management
You can easily record your daily physical condition.
You can easily record your physical condition and mood during menstruation, menstrual pain, menstrual blood flow, irregular bleeding, etc. with one tap, so you can notice any changes in your health and prepare in advance.
It will be helpful to have records when you go to the hospital.


◇◆Providing services according to life stage◆◇
Women's lifestyles vary depending on their age and environment.
Luna Luna offers various stages and modes to suit changing needs.

・Junior mode
This mode is suitable for elementary and junior high school students and can be used even before menarche.
Before menarche, you can get an idea of ​​when menarche will arrive. It supports unstable menstruation even after menarche, and allows you to manage your expected menstrual date and menstrual cycle.
In addition, we are distributing columns about getting your first period depending on your age. This mode has a simple and cute design.

・Pill (OC/LEP) mode
This mode is for people who are taking the pill.
It helps you take your daily medication with a medication record and an alarm to prevent you from forgetting to take your medication.

・Pregnancy hope stage
This stage is for those who wish to become pregnant.
"Good Friends Day" is Luna Luna's unique ovulation day prediction algorithm developed based on data collected by Luna Luna for over 15 years. (*Patented) We will pinpoint your most fertile days.
*“Good Friends Day” is a feature of the premium course.

・Pregnancy stage
During pregnancy, use our sister app “Luna Luna Baby”!
We will send you daily updates on the baby inside your womb.

・Aging mode
This mode is for those who feel their menstrual cycle is disrupted by age, or who are concerned about pre-menopause or menopause.


◇◆Introducing the premium course◆◇
There are many more support functions than the free app!
We would like to introduce some paid features. *Participation is optional
・“Friendly days” when pregnancy is likely high
・Constipation・Communication index
・Extension of menstrual day prediction and ovulation day prediction
・Tell me, teacher
·Self-check
・Partner sharing
・Physical condition report, data analysis
・Delete advertising banner
*Advertisement banners within some services will not be deleted.


https://sp.lnln.jp/support/terms　

https://www.mti.co.jp/?page_id=17

◇◆Contact us◆◇
Our staff also read reviews as valuable opinions and feedback from our customers, but we are unable to respond directly/individually to them.
We apologize for any inconvenience, but if you have any problems, inquiries, or requests, please contact us.

Start the app > "Menu" at the bottom right > "Customer Support" at the bottom of the page > "Help/Inquiries"
We would be very happy if you could contact us.
(Thank you for all the reviews. All the staff members are very encouraging.)

◇◆Other notes◆◇
[1] The default installation location is the device itself.
If your device's memory capacity is low, you may not be able to install the software.
In that case, we apologize for the inconvenience, but please free up some space by moving the files saved on the device to the SD card before installing.
(After installing this app, you can manually move it to the SD card. Please change it from "Settings" on your device).

[2] Depending on the synchronization settings of your device and computer, the icon may disappear from your device's home screen when you synchronize with your computer after installing the app. We apologize for the inconvenience, but in that case, we would appreciate it if you could install the icon again and check the synchronization settings.
(The app will not be uninstalled automatically, and the data may still remain in this case, but please check.)

[3] Customers using the “+HOME” app
If you update the app, you may not be able to open the icon displayed on the home screen of the Luna Luna app version.
We apologize for any inconvenience caused to our customers.
If you follow the steps below, you can open it from the icon on the home screen.

*Please be careful not to delete the app.
1. Delete app shortcuts on home screen
2. Create a shortcut on the home screen again from the app list


*DL numbers are as of October 2023.