WhatsApp UI Clone in React Native with Expo – Complete Mobile App UI Project

Building a messaging application is a great way to improve your React Native development skills. One of the best ways to understand mobile app development is to study how popular messaging applications organize their screens, navigation, and user interactions.

In this article, we'll explore a WhatsApp UI Clone built with React Native and Expo. This project recreates the familiar messaging experience with multiple screens, interactive conversations, status updates, contacts, communities, and call history.

Whether you're learning React Native, preparing a mobile development portfolio, or looking for a ready-made messaging app UI project, this project can help you get started faster.

🚀 Project Overview

This WhatsApp-inspired mobile application is built using React Native and Expo. It focuses on recreating the frontend interface and navigation experience of a modern messaging application.

Instead of building every screen from scratch, developers can explore an existing UI implementation and customize it according to their requirements.

Project highlights:

  • WhatsApp-inspired user interface
  • Interactive chat list and conversation screens
  • Status and updates interface
  • Contacts management UI
  • Communities interface
  • Calls and call history screen
  • Bottom tab navigation
  • Dummy users and conversations
  • Android and iOS development support through Expo

Explore the complete project:

https://skillhost.in/projects/whatsapp-app-ui-design-in-react-native/

📱 Main Features and Screens

Let's explore the major screens included in this React Native WhatsApp UI project.

1. Chats Screen

The Chats screen is the main interface where users can view their conversations.

It includes:

  • User profile pictures
  • Contact names
  • Latest message previews
  • Message timestamps
  • Unread message counters
  • Search functionality
  • Chat filters
  • Archived conversations
  • New chat action

The layout follows a familiar messaging application design, making it easier for developers to understand how to organize conversation lists in React Native.

2. Individual Chat Screen

The individual chat screen provides the core messaging interface.

It includes:

  • Incoming and outgoing message bubbles
  • Message timestamps
  • Read indicators
  • User profile information
  • Online and last-seen status
  • Message input field
  • Send message interaction
  • Emoji and attachment buttons
  • Camera and microphone interface
  • Voice and video call actions

Developers can use this screen as a starting point when building their own messaging application.

3. Status / Updates Screen

The Updates screen recreates the status-sharing experience.

Features include:

  • My Status section
  • Recent status updates
  • User profile avatars
  • Status indicators
  • Status viewer
  • Progress indicators
  • Reply interface

This screen is useful for understanding how to organize status updates and their navigation flow in React Native.

4. Contacts Screen

The Contacts screen provides a simple interface for browsing users.

It includes:

  • Contact list
  • Search by name or number
  • Profile avatars
  • Online indicators
  • Recently online users
  • Favorite contacts
  • Add contact action

You can later connect this interface to your own contacts API or backend.

5. Communities Screen

The Communities screen provides a starting point for building group-based communication features.

It includes:

  • Community introduction
  • Community icons
  • Existing communities
  • Community descriptions
  • Member avatars
  • Create community action

Example community categories include friends and family, technology groups, and workplace communities.

6. Calls Screen

The Calls screen displays a messaging application's call history interface.

It includes:

  • Incoming calls
  • Outgoing calls
  • Missed call indicators
  • Voice call icons
  • Video call icons
  • Call timestamps
  • Create call link interface

This is a frontend representation. Actual voice and video calling require additional communication services.

🛠️ Technologies Used

The project uses the following technologies:

Technology Purpose
React Native Cross-platform mobile UI
Expo Development and testing
JavaScript Application logic
React Navigation Screen navigation
Expo Vector Icons Icons and interface elements
React Native Components Building mobile screens

Why React Native and Expo?

React Native allows developers to build mobile applications for Android and iOS using JavaScript and React concepts.

Expo simplifies the development workflow by providing tools for running, testing, and developing React Native applications.

Together, they make a practical combination for building messaging interfaces, social applications, and other cross-platform mobile projects.

💻 How to Run the WhatsApp UI Project

Follow these steps to get started.

Step 1: Download the project

Visit the SkillHost project page:

https://skillhost.in/projects/whatsapp-app-ui-design-in-react-native/

Explore the project details and use the available download option.

Step 2: Open the project

Extract the downloaded project and open its directory in VS Code or your preferred editor.

Step 3: Install dependencies

Open the terminal and execute:

npm install 

Step 4: Start the Expo development server

npx expo start 

Step 5: Run the application

You can run the application using:

  • Expo Go on a compatible mobile device.
  • Android Emulator.
  • iOS Simulator on a supported macOS development environment.

Make sure your development environment meets the requirements of the project's installed Expo and React Native versions.

🧩 How Can You Customize This WhatsApp Clone?

One advantage of starting with an existing React Native UI project is that you can focus on customization instead of spending time creating every screen from scratch.

Here are some improvements you can implement:

1. Integrate Firebase Authentication

Add phone number authentication and user account management.

2. Implement Real-Time Messaging

Use Firebase, Supabase, Socket.IO, or WebSockets to enable real-time communication.

3. Add Push Notifications

Integrate Expo Notifications or another notification service to notify users about new messages.

4. Add Media Sharing

Implement image, video, document, and audio sharing functionality.

5. Implement Message Delivery Status

Add sent, delivered, and read indicators using backend message events.

6. Add Voice and Video Calling

Integrate a suitable third-party communication SDK to support real-time calls.

These are possible future enhancements, not existing backend features of this UI project.

🎯 Who Should Use This React Native Project?

This project can be useful for:

  • Beginners learning React Native.
  • Developers practising mobile application development.
  • Students building academic projects.
  • Developers creating mobile app portfolio projects.
  • Freelancers looking for a messaging UI starting point.
  • Developers experimenting with React Navigation and reusable components.

It can also help developers understand how a multi-screen messaging application is structured before implementing backend functionality.

⚠️ Important: UI Project vs Full WhatsApp Application

One important distinction: this project focuses on the frontend UI and navigation.

It does not provide:

  • Production authentication
  • Real-time messaging
  • Backend APIs
  • Database integration
  • Actual voice or video calls
  • Production push notifications

You will need to implement these services separately if you want to turn the UI into a fully functional messaging application.

📚 Useful Learning Resources

If you're planning to customize this project, these official resources can help:

🔥 Get the WhatsApp UI Project

Looking for a React Native WhatsApp UI project to explore, customize, and use for learning?

Check out the complete project on SkillHost.

👉 Project Page:

Explore the screens, understand the implementation, and use this project as a foundation for your next React Native mobile application.

Build Faster. Learn Smarter.

Explore more React Native projects, developer resources, and ready-to-use templates at SkillHost.