Momentum TODO — Focus, Routines & Streaks
Minimal productivity app with routines, streak tracking, offline storage, and multilingual UI built with Expo.
Platforms
Android / iOS
Expo native build
Storage
Local only
AsyncStorage
Languages
10+
i18n + RTL support
Overview
Momentum TODO is a minimal productivity app - tasks, routines, streaks, statistics. Designed for focus and consistency, no accounts, no cloud, no clutter. Fully offline-first architecture, all data stored locally.
Targeted audience
- People who want simple task tracking.
- Users who prefer offline apps.
- Productivity enthusiasts.
- Users who dislike subscription apps.
The challenge
Build a clean productivity app without complexity. Keep UI fast on low-end devices. Support multiple languages including RTL. Implement routines & streak engine without backend.
Our approach
- Offline-first architecture
- Zustand state store
- AsyncStorage persistence
- Modular UI system
- Custom theming engine
- Full i18n integration
The stack
- Expo / React Native
- TypeScript
- Zustand
- AsyncStorage
- i18next
- RevenueCat
Results
Smooth performance even on older devices. Fully offline functionality. 9 languages supported. Pro features via in-app purchase. Clean UI with consistent design.