✓ Pixel-perfect app on both iOS and Android
✓ Custom UI/UX design if needed (idea → design → app)
✓ Firebase integration (auth, database, storage, notifications)
✓ Node.js backend APIs built and connected
✓ Smooth animations and native-feeling interactions
✓ Push notifications and real-time features
✓ Offline functionality where needed
✓ App Store and Google Play submission
✓ Clean, maintainable, well-documented code
✓ Post-launch support and maintenance