AI-native expense journal. 16,000+ users in the US. Team of 2 engineers and 1 designer.
- — Built React frontend, React Native app, backend, and multi-agent AI system.
- — Transaction categorization engine: 1,500+ transactions in <90 seconds, 90%+ accuracy.
- — Real-time user profiling delivering spending insights in <30 seconds.
- — Reverse-engineered Endowus, Stashaway, and other financial platforms. No official APIs.
- — 60%+ bank connection success rate through proprietary system reverse-engineering.
- — 500+ user interviews. Shipped fixes the same week.
- — 40%+ retention increase using PostHog analytics.