SaaS
Expensease
A personal finance app that makes tracking expenses effortless. Built for iOS, Android, and Web.
roleFull Stack Developer & Designer
duration3 months
teamSolo
year2025
The Challenge
People need a simple way to split expenses with friends and track personal spending — without the clutter of traditional finance apps.
The Solution
Built a mobile-first expense tracker with a debt simplification algorithm that minimizes the number of transactions needed to settle group balances. Focused on speed: adding an expense takes under 5 seconds.
Results
0.0/5
App Store Rating
0+
Active Groups
0+
Expenses Tracked
Architecture
// frontend: React Native (Expo) + React (Web)
// backend: Node.js + Express REST API
// database: MongoDB Atlas
// hosting: AWS EC2 + S3
// patterns:
// - Debt Simplification Algorithm
// - Real-time Balance Sync
// - JWT Auth
Highlights
- Smart expense splitting — equal, percentage, or custom
- Debt simplification algorithm to minimize transactions
- Group and personal expense management
- Category-wise charts and expense summaries
- Real-time balance calculations across groups
Stack
React NativeExpoReactNode.jsExpressMongoDBAWS