No. 1 in new installations in Korea! Accurate menstrual prediction, various health records, and organic sanitary pad delivery! All-in-one healthcare app for women's health

Latest Version

Version
Update
Jul 25, 2025
Developer
Category
Google Play ID
Installs
500,000+

App APKs

해피문데이-생리주기 배란일 임신 준비 캘린더 APP

Hey Moon's new name, Happy Monday

Menstruation comes every month, don't worry with Happy Monday.

Predict menstrual cycle, manage symptoms, and prepare for menstruation! Manage it more conveniently with Happy Monday.

■ Accurate menstrual cycle prediction and management
Happy Monday predicts menstrual date, ovulation date, and fertile period more accurately every time based on my records. You can freely set the notifications you want and prepare for ovulation from 7 days, 3 days, or 1 day before menstruation without missing it.

■ Various health records
Simply record the changes in your body and mind before and after menstruation or during the fertile period. Managing your health records along with your menstrual cycle will help you understand and take care of your body better.
• Menstrual pain, menstrual flow, menstrual products
• Physical condition and mood, vaginal discharge, irregular bleeding
• Nutritional supplements, weight, sex life, hospital visits

■ Customized analysis report for my body
It analyzes the content I recorded and shows past changes and body condition at a glance.

• Menstrual cycle report: You can check whether your recent menstruation is regular or has changed.
• Hospital treatment report: Gather your treatment records at a glance and use them when you go to the hospital.

■ Quickly resolve concerns about your body and menstruation!
Do you have concerns that are difficult to ask about, such as the possibility of pregnancy, contraception, obstetrics and gynecology, or vaginitis? Happy Monday has reliable health information reviewed by specialists and pharmacists.
• Search for concerns: Search for keywords you need, such as vaginitis, menstrual pain, pregnancy, birth control pills, and STD tests.
• Quick test: You can receive expert guidance on vaginitis self-check, when you forget your birth control pill, the possibility of pregnancy, and menstrual pain relievers.
• Empathize with concerns: Look at other users' concerns and click the Empathize button.

■ Delivery of sanitary pads according to your cycle
Happy Monday has carefully checked and prepared everything from sanitary pads to nutritional supplements, healthy snacks, and relaxation items.
• Regular delivery service according to your menstrual cycle, so you don't have to worry every time, they are delivered to your doorstep.
• You can also subscribe to high-quality organic sanitary pads at a discounted price.

■ Share your menstrual calendar with your partner through Happy Monday Connect
“I started my period today.” “I’m fertile now.” If it’s hard to say it every time, try sharing your menstrual calendar. If your partner installs the Happy Monday Connect app, you can check your menstrual cycle without having to say anything. It also provides easy information on women’s health so that you can be more considerate of each other.

■ Safely manage your precious records
• Hide sex life function: Easily manage sensitive records by turning them ON/OFF.
• App lock function: Set a password for the app to safely protect your records.

■ Set a mode according to your condition
• Pregnancy mode: You can temporarily stop menstrual predictions and notifications with the mode for pregnant women.
• Taking birth control pills: You can set notifications so that you don’t forget them, and if you record them, they will be reflected in your menstrual predictions.

Happy Monday promises
Happy Monday’s problem-solving content was provided by specialists and pharmacists.

However, the information provided in the app is for reference only, and consultation with a medical institution may be required for accurate diagnosis and treatment.

Access permission guide
[Required access permission] Foreground permission - Used for stable operation of the app and efficient service provision. Without this permission, there is no problem using the app, but data synchronization or notification reception may not be smooth.
• Check if the app version of the device is within the latest support range
• Send recent usage history and automatically synchronize data
• Receive information from the server when there is a new notification

[Optional access permission] Files and media - Used to get the background when installing a widget.
※ You can use the app even if you do not agree to the optional access permission. However, some functions may be restricted.
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