EvenlySplit is the smartest way to split expenses with friends, roommates, and groups — track who owes what, settle up instantly, and never lose track of shared costs. Shipped on both the App Store and Google Play.
Approach
Built the cross-platform mobile app (Expo / React Native) for iOS and Android.
Group expense splitting with real-time balances and an expense khata/ledger.
Debt-simplification to minimize the number of settlements between members.
Multi-currency support with push notifications for activity and settle-ups.
Architecture
Expo / React Native client on a Fastify + PostgreSQL backend.
Debt-simplification algorithm for minimal settlements.
Groups, balances, settlements, and khata over a typed API.
Mobile App2024 — present