Building Mobile Applications with Grit
5 self-paced courses that take you from zero to the App Store. Build cross-platform mobile apps with Go API + Expo + React Native. Each course is ~30 minutes with hands-on challenges you complete yourself.
First appOn the stores
Five courses from a first Expo app to TestFlight and the Play Store5 courses
~2.5 hours total
54 challenges
Course 1•30 min•12 challenges
Your First Mobile App
Scaffold API + Expo, set up emulator, run on device, understand the project.
Course 2•30 min•12 challenges
Mobile Auth & Navigation
Expo Router, secure token storage, tab navigation, protected routes.
Course 3•30 min•10 challenges
API Integration & Offline
TanStack Query in React Native, pull-to-refresh, infinite scroll, offline cache.
Course 4•30 min•10 challenges
Push Notifications
Expo push tokens, grit-notifications plugin, FCM, APNS.
Course 5•30 min•10 challenges
Build & App Store
EAS Build, TestFlight, Play Store, OTA updates.