[Utility Bill Management: Visualize your household finances and support savings]

"Utility Bill Management" is a household management app that allows you to simply and accurately record and visually analyze your monthly electricity, gas, and water expenses. Recording allows you to see seasonal fluctuations and year-over-year comparisons at a glance, helping you identify and reduce wasteful spending.

◆ Main Features

1. Simple Recording: Anyone can start using it right away—just select the year and month and enter the amount.
2. Item/Total View: Manage data by electricity, gas, water, and custom items you add. Instantly check annual totals.
3. Powerful Graph Analysis:
* Monthly Graph: View monthly trends for selected items or totals in a bar graph.
* Stacked Graph: In the Totals tab, compare and analyze the composition of each expense item using a stacked bar graph.
* 5-Year Comparison: Compare totals over the past five years to understand long-term trends.
4. Expense Management: You can show or hide electricity, gas, and water expenses, and add your own custom expense items.
5. Data Export/Backup:
* PDF/CSV Export: Export recorded data as a PDF or CSV file to your download folder.
* Data Backup/Restore: Save and restore important records as a database file.
6. Security: Set a PIN lock to prevent data prying when the app is launched.

Start managing your household finances efficiently and smartly with this simple and easy-to-use utility bill management app!