Case study

Personal Finance Manager

Finance Cockpit combines transactions, budgets, and reports in one clear product.

Project scope

From idea to a ready-to-use tool

The project was about turning everyday finance management into a clear, easy-to-use tool that surfaces the most important information quickly. The app had to stay intuitive, readable, and ready to grow with the user’s needs.

01

Understanding the needs and goals

Learn how finance is handled today, what needs to be organized, and what the app should help achieve.

02

Designing a simple workflow

Structure the most important screens and actions so users can find what they need quickly and complete daily tasks with minimal friction.

03

Building the app and core features

Create the tool for organizing data, tracking spending, managing budgets, and reviewing reports in one place.

04

Refining the product and preparing it to scale

Test the app, improve usability and reliability, and prepare it to evolve alongside the user’s growing needs.

Assumptions

Organizing finances in one place

The goal was to organize personal finances in one place without overwhelming the user with too many screens or unnecessary complexity.

The product needed to guide users from importing data to making financial decisions in a simple, logical way.

It had to support daily tracking of spending, income, and budgets while still feeling lightweight and fast.

It also needed to build trust, since it handles financial data and should feel safe from the first interaction.

Challenges

A simple interface for complex data

Clarity with a lot of data

The interface had to show a lot of information at once and still remain easy to read at a glance.

Shorter everyday workflows

Frequent actions like importing and classifying transactions could not require extra steps or long forms.

Control and confidence in the data

Users needed to feel fully in control of their finances and confident that the data stayed organized, readable, and easy to access.

Solution

A modular app ready to grow

We designed a modular app where each block supports the next step in the finance workflow. That keeps the product intuitive and makes it easier to move from reviewing data to taking action.

Personal Finance Manager mobile application screen
Personal Finance Manager application process

System capabilities

Core application features

CSV import

Users can bring data into the system quickly without manually retyping transactions.

Automatic classification

Transactions are placed into the right categories to speed up financial organization.

Budgets and spending control

Users can track limits and easily see where the budget is being spent.

Reports and analysis

The app presents data in a way that supports quicker decisions and a clearer picture of the situation.

Final result

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Technology

Modern technology stack

Frontend

  • Next.js 15
  • React
  • TypeScript
  • Tailwind CSS

Architecture

  • PostgreSQL
  • Prisma ORM
  • Server Actions
  • Supabase Auth

Backend

  • App Router
  • Server Components
  • Data Caching
  • Route Revalidation

DevOps and quality

  • Vercel
  • GitHub
  • ESLint
  • Semantic HTML
  • Responsive interface
  • Open Graph
  • SEO Metadata

Next step

Let’s talk about your project

If you are planning a data- or finance-focused application, I can turn the requirements into a clear structure and a polished product.

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