An app for girls surfing the crimson wave, once a month, Once.
[I need your care, \’Once\’]There are too many things for girls to enjoy, but care about at the same time.
If you want to make your 20s as enjoyable as it can be, find \’Once\’!
This app is perfect for those of you who don\’t want to miss a thing, be it your beauty, health, or love.
Be ready to boost your attractiveness with \’Once\’!
[Sticking to the basic, with functions a period tracker should have. ]The more you use, the more correct your expected period date gets.
Do your irregular periods make it hard to estimate your cycle? This automatic calculation will solve it for you.
Make sure you have everything prepared before your period!
It will send you secret messages whenever you want, so you can be prepared.
Your day-by-day data is safe with us!
A simple registration will make it easy for you to save your data.
Even if you change your device or reinstall the app, your data will stay safe.
Simple and sleek designs that girls love
\’What looks good, tastes good, feels good and serves well!\’
[Here are some special features only Once offers]Changing mood depending on your cycle? Today\’s Tips are waiting just for you!
Tips can be about anything. From your daily beauty to how to get the guy you like!
Tell me what you think, THE STREET CHART!
We asked some secret questions to people on the street that you\’ve been dying to know the answers to!
\’Once\’ is always ready to serve you the best service possible. 😀
Production: Malang Studio(
※ If you have any questions about Once, please send an email to You will receive a faster response.

To Download Once -A special period tracker App For PC,users need to install an Android Emulator like Xeplayer.With Xeplayer,you can Download Once -A special period tracker App for PC version on your Windows 7,8,10 and Laptop.

Guide for Play & Download Once -A special period tracker on PC,Laptop.

1.Download and Install XePlayer Android Emulator.Click "Download XePlayer" to download.

2.Run XePlayer Android Emulator and login Google Play Store.

3.Open Google Play Store and search Once -A special period tracker and download,

or import the apk file from your PC Into XePlayer to install it.

4.Install Once -A special period tracker for PC.Now you can play Once -A special period tracker on PC.Have Fun!

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