Tempus Nu is an Android app developed by Tempus Information Systems AB. It is a free child attendance tracking software designed for preschool and after-school programs. This app is not for parents' personal use; instead, it is used by preschool and after-school staff to register children's arrivals and departures.

The app is simple to use, and the interface is user-friendly. Staff can quickly check-in children and mark attendance with just a few taps on the screen. The app also allows for easy tracking of late arrivals and early departures. The app also provides a real-time overview of the children's attendance, which makes it easier for staff to keep track of attendance records.

If you encounter any issues or have suggestions for new features, you can contact the developer at Overall, Tempus Nu is a useful tool for preschool and after-school staff who need to keep track of children's attendance.