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Productivity

Smart Expense Tracker

Shows exactly where money goes with almost no manual work.

Beginner12h1–2 people14/20 fit
TL;DR

Build Smart Expense Tracker for freelancers and individuals in ~12h with 1–2 people. Stack: React + OCR API + Charts.

Why it wins: Everyday problem with instant visual result. Easy to demo well.

Build flow

01 · Problem
People lose track of small expenses and only realize they overspent at the end of the month.
02 · Solution
Snap a receipt or type an expense. Get category breakdown and monthly summary.
03 · Build
  1. 1Expense form + storage
  2. 2OCR receipt upload
  3. 3Auto-categorize
  4. 4Charts dashboard
04 · Demo
Add 4 expenses → show the pie chart and total. Simple and visual.

MVP checklist

  • Receipt snap or quick entry
  • Auto category
  • Monthly summary
  • Spending pie chart

Tech stack

TechRole
ReactFrontend UI
OCR APIText from images
ChartsData visualisation

Reference repos

Open-source projects you can build on. Links checked 2026-10-31.

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