---
title: "Build React Native apps for Android and iOS with Expo and Firebase"
url: https://zinnhub.com/zinns/build-react-native-apps-for-android-and-ios-with-expo-and-firebase/
description: "3-screen app, Basic UI, Android only, | Innovation and creativity at your service"
published: 2026-01-10T21:10:50+00:00
modified: 2026-07-01T01:32:55+00:00
language: en-GB
---

# Build React Native apps for Android and iOS with Expo and Firebase

**Need a HIGH-PERFORMANCE mobile app?** Zinn Digital® will build React Native apps for iOS & Android using Expo and Firebase, delivered in 7-21 days! 5+ years expertise from our London, England team:

- Expo SDK (Over-the-air updates)
- Pixel-perfect UI/UX
- Firebase Auth/Firestore/Storage
- State management (Redux/Context)
- 60fps animations

**Why Expo?**

- Faster development with Hot Reload
- Single codebase for iOS & Android
- No Mac required for testing
- Built-in push notifications

**Zinn Packages:**

- **BASIC (£300):** 3-screen prototype
- **STANDARD (£800):** Production-ready MVP
- ️**PREMIUM (£1,600):** Complex app with backend

**Popular features we build:**

- User authentication
- Real-time chat
- Payment integration
- GPS tracking
- Camera/photo features

---

### This Zinn Will Include (Basic)

3-screen app, Basic UI, Android only,

**Delivery:** 7 days

**Revisions:** 1

**Includes:**

• Functional Android app
• Functional IOS App
• App icon
• Include source code

---

### Upgrade Options

Choose an upgrade addon to get more features:

| Feature | Basic | Boost Upgrade | Premium Upgrade |
| --- | --- | --- | --- |
| **Delivery** | 7 days | 14 days | 21 days |
| **Revisions** | 1 | 3 | Unlimited |
| Functional Android app | ✓ | ✓ | ✓ |
| Functional IOS App | ✓ | ✓ | ✓ |
| App icon | ✓ | ✓ | ✓ |
| Include source code | ✓ | ✓ | ✓ |
| App submission | ✗ | ✗ | ✓ |
| Splash screen | ✗ | ✓ | ✓ |
| Ad network integration | ✗ | ✗ | ✓ |