"Pīku Furō Nikki" is a tool designed to support your health by aiding in the management of daily breathing. Monitoring small changes in your breathing health is crucial, and this app provides a powerful solution by allowing you to record your daily peak flow values, helping you control your breathing effectively. With this app, you can finely track changes in your breathing condition.

The app features daily recording capabilities for easily tracking peak flow values, clear graphs with zone displays for quick status checks, a user-friendly interface emphasizing simplicity, and an account function for seamless data transfer even when changing devices.