All Work
App Development2023
FinTrack — Mobile Banking App
4.8 stars. 50K DAU. Built in 10 weeks.
4.8 ★
App Store rating
50K+
Daily active users
-40%
Churn reduction vs. web
10 weeks
Time to production
The Challenge
Problem
A fintech startup needed a production-grade mobile app that could handle real-time transaction data for 50,000+ daily active users without a dedicated mobile team.
What We Built
Solution
Built a React Native app with offline-first sync architecture, biometric authentication, a custom charting layer optimized for 60fps on mid-range Android, and end-to-end encrypted storage.
The Outcome
Result
App Store rating of 4.8 stars. 50,000 DAU within 3 months. Zero critical security incidents in year one.
Tech Stack
React NativeExpoFirebaseTypeScriptBiometrics API
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