The Expense Sharing Web App is a web-based platform that helps groups of people — such as friends, roommates, colleagues, or travel companions — track, split, and settle shared expenses easily. It eliminates the hassle of manual calculations and ensures transparency among group members.

Key Features

1. User Registration & Login – Secure accounts for tracking personal and group expenses.

2. Create Groups – Organize expenses by trips, events, or households.

3. Add Expenses – Enter details like amount, payer, purpose, and date.

4. Automatic Split Calculation – System divides expenses equally or based on custom percentages.

5. Multiple Split Methods – Equal share, percentage-based, or share by amount owed.

6. Debt Tracking – See who owes whom and how much in real time.

7. Expense Categories – Tag expenses (food, transport, rent, utilities) for better tracking.

8. Settlement Feature – Mark debts as paid when transactions are settled.

9. Multi-Currency Support – Useful for international trips with currency conversion.

10. Reports & Analytics – View spending summaries, charts, and settlement history.

11. Responsive Design – Works on desktop and mobile for on-the-go tracking.

12. Export/Share Reports – Generate PDF or CSV reports to share with group members.

Technology Stack

• Frontend: HTML, CSS, Bootstrap, JavaScript (for dynamic UI updates).

• Backend: PHP / Java / Node.js (handles user authentication, group logic, and debt calculations).

• Database: MySQL / MongoDB (stores users, expenses, groups, and settlement records).

• Optional APIs: Currency conversion APIs for international group expenses.

Workflow

1. User Sign-Up/Login → Create or join a group.

2. Add Expense → Enter amount, payer, and participants.

3. System Splits Costs → Automatically calculates each member’s share.

4. Track & Settle → Mark payments as complete when debts are cleared.

5. View Summary → See charts of spending and outstanding balances.