The Kyoto City Waterworks and Sewerage Bureau App is a free iPhone application designed to streamline water service management for residents of Kyoto. Users can conveniently handle various tasks, including initiating or terminating water services, changing payment methods, and purchasing emergency drinking water supplies. The app provides 24/7 access to essential services, ensuring users can manage their utilities at their convenience.

In addition to service management, the app allows users to check their water usage and download billing information. Users receive timely notifications regarding payment reminders and significant events, such as large-scale water outages. The app also facilitates easy payment options through in-app transactions via PayPay or cash payments at convenience stores using a displayed barcode, making it a practical tool for effective water utility management.