Water Billing App is a free Android application developed by Vi En for the Capstone Project. As the name suggests, it is a billing app that helps users manage their water bills. The app has a simple and user-friendly interface that allows users to easily input their water consumption data and generate bills.

One of the main features of the app is its ability to track water usage and calculate bills based on the consumption. Users can also set up automatic bill reminders and receive notifications when their bills are due. The app also provides a history of previous bills, which can be useful for tracking usage and expenses over time.

Overall, Water Billing App is a useful tool for managing water bills and keeping track of usage. It is compatible with Android 13.0 and is free to download from the Google Play Store.