It's safe to download the app. Coletto calendar~Cute diary has been originally designed by Yahoo Japan Corp. and it is included in the Tools category. The overall rating for this application is 4.4 on Google Play.
The app has been downloaded and installed by over 5M users and the latest update was released on March 28, 2017. Ads are a part of Coletto calendar~Cute diary. This application is very popular among Samsung and Sony users.
Get the installer of Coletto calendar~Cute diary 1.9.1 that is free and take a look at users' reviews on Droid Informer. The app is developed for Android 2.3 and higher.