"学校のチャイム" is an iPhone application developed by Lisfee Inc. It falls under the Education & Reference category. The app's main function is to provide a simple way to schedule bell chimes for different class periods. Users can easily set up their timetable, with default settings of 50 minutes per class.

One of the key features of the app is that it allows chimes to ring at the start and end of each class period, even when running in the background. Additionally, users have the option to set special chime alerts even when the device is on silent mode, enhancing its utility for educational settings.