Split-It-Wise

A simple, real-world expense splitting web app for students and friends.
Inspired by Splitwise, built with a focus on clarity, speed, and actual usability.

Live Demo: https://split-it-wise.vercel.app

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Features

Authentication

• Google Sign-In using Firebase Authentication
• Secure and production-ready auth flow

Group Management

• Create groups instantly
• Invite friends via shareable links
• Join groups with one click
• Admin controls:
  • Rename group
  • Remove members
  • Delete group

Expense Management

• Add expenses in INR (₹)
• Select who paid
• Automatic equal split among members
• Delete expenses (admin or creator only)

Balance Summary

• Clear per-user balances
• Shows:
  • “₹X lena hai” (you should receive)
  • “₹X dena hai” (you owe)
• Real-time updates on every expense change

UI & UX

• Mobile-first design
• Clean, minimal layout
• No unnecessary clutter — just what users need

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Tech Stack

• Frontend: Next.js 14 (App Router), TypeScript
• Styling: Tailwind CSS
• Authentication: Firebase Google Auth
• Database: Firebase Firestore
• Hosting: Vercel
• State & Logic: React hooks + Firestore real-time listeners

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How It Works

• Each group stores:
  • Members
  • Admin (creator)
• Each expense stores:
  • Amount
  • Paid by
  • Group ID
• For each group:
  • Total expenses are split equally
  • Balance = total paid − total share
• Balances recalculate automatically when data changes

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Author: Akshat Patil ❤️