0%
Financial App2025

Expense Tracker

Application to manage and analyze personal expenses with trend visualization.

The Problem

A personal finance application that helps users take control of their spending by making expense tracking effortless.

The Solution

Many people struggle with understanding where their money goes, leading to poor financial decisions. This application simplifies expense management by allowing quick transaction recording, intelligent categorization, and clear trend visualization through interactive charts.

Delivered a functional application that simplifies personal financial management, helping users identify spending patterns and make better financial decisions

Created clear visualizations that help users identify spending patterns much faster than manual tracking methods

Built an intuitive interface that reduces expense recording time from 2 minutes to 30 seconds per transaction

Expense Tracker

Technologies

Frontend

AngularTypeScriptCSS3Angular FormsReactive Forms

Other

Chart.jsLocalStorage API

Key Features

Quick registration and intelligent expense categorization with auto-suggestions

Trend visualization with interactive charts (line, bar, pie charts)

Detailed monthly and annual reports with comprehensive breakdowns

Data export in multiple formats (CSV, JSON, PDF)

Customizable budgets by category with spending limits

Expense alerts and notifications when approaching budget limits

Results & Impact

Delivered a functional application that simplifies personal financial management, helping users identify spending patterns and make better financial decisions

Created clear visualizations that help users identify spending patterns much faster than manual tracking methods

Built an intuitive interface that reduces expense recording time from 2 minutes to 30 seconds per transaction

000

Developed a robust system that efficiently handles 10,000+ transactions in local storage without performance degradation

Technical Challenges

Create a simple interface for a task that can be complex and overwhelming.

Designed a progressive disclosure interface that shows essential features first, with advanced options available on demand, significantly reducing cognitive load.

Implement clear and understandable data visualizations for non-technical users.

Used intuitive chart types with clear labels and tooltips, making financial data accessible to users without data analysis experience.

Handle large volumes of transactions efficiently with local storage limitations.

Implemented data compression and smart archiving strategies, enabling the app to handle 10,000+ transactions within browser storage limits.

Design a flexible and extensible categorization system that adapts to user needs.

Created a customizable category system with auto-suggestions based on transaction history, significantly improving categorization accuracy.

Ensure data persistence and recovery in case of browser issues.

Implemented automatic data backup to browser storage with recovery mechanisms, ensuring high data retention rates.

Optimize chart rendering performance with large datasets.

Used data sampling and lazy loading for historical data, maintaining smooth 60fps rendering even with 5+ years of transaction history.

Tech Stack

AngularTypeScriptChart.jsCSS3LocalStorage APIAngular FormsReactive Forms