Otonosama and Otonohimesama is an educational application designed for iPhone users. It offers a unique way to create a comfortable environment in public restrooms by providing various imitation sounds. Users can choose between modes like the Princess version with serene sounds or the Brave version with more adventurous tones. The app aims to enhance toilet experiences by offering safe and eco-friendly options for sound masking.

The application features include multiple imitation sound variations, customizable playback times, and a toilet log function for tracking restroom visits and health indicators. Users can record details like defecation frequency, color, and smell, along with evaluating their defecation status. Additionally, the app offers a password lock function for privacy and security.