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Case Study — 2026
MochiMoney
Commercial Deployment & Client
Personal Finance Users
Key Operational Impact
Reduced manual receipt logging time from 45 seconds to under 4 seconds with on-device OCR.
Technology Stack & Libraries
ReactTypeScriptTailwind CSSZustandFirebaseVite
Executive Overview
An intelligent personal finance and smart budgeting companion app. Features on-device OCR receipt scanning, automated expense categorization, goal budgeting, and real-time cloud synchronization.
The Operational Problem
Manual expense logging is tedious, causing most users to abandon personal budgeting apps within their first two weeks.
The Engineered Solution
Integrated intelligent OCR receipt ingestion to extract merchant names, totals, and transaction dates in seconds, paired with clear visual spending analytics.
Key Architectural Decisions
- Client-side OCR processing for instant privacy-first receipt scanning
- Zustand lightweight state store for zero-delay UI transitions
- Firebase Cloud backend for cross-device synchronization
Verified Production Outcomes
- Cuts receipt logging time from 45 seconds to under 4 seconds
- Complete real-time monthly budget vs spend analytics with zero data loss
Engineering Scope & Role
Full-Stack Developer & Product Designer (Solo Builder)
