Aftelkalender Sinterklaas is an Android application developed by OrangeCake that helps you count down the days until Christmas morning. With this app, you can always stay informed about how many days are left until you can tear open your gifts. This app is perfect for those who are eagerly waiting for the arrival of Christmas and want to keep track of the countdown.

The app is easy to use, and the interface is user-friendly. You can customize the app by choosing from a variety of themes, including Santa Claus, Christmas trees, and snowflakes. You can also set reminders and notifications to keep you informed about the countdown. Additionally, the app is free to use, making it accessible to anyone who wants to use it.