What platforms does Expo support?

Expo supports iOS, Android, and web applications from a single codebase.

Do I need to know Swift or Kotlin to use Expo?

No, Expo uses JavaScript or TypeScript, so platform-specific languages are not required.

How does Expo handle common features like push notifications?

Expo provides pre-built APIs that simplify implementing features such as push notifications and authentication.

Can I build web apps with Expo?

Yes, Expo allows you to create web apps in addition to native iOS and Android apps.

Is Expo suitable for beginners?

Absolutely, Expo's tools and components make it easy for developers of all levels to start quickly.

What is the performance of apps built with Expo?

Expo leverages React Native, ensuring that apps have excellent performance and a native feel.

Expo

An open‑source framework for making universal native apps

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Listed website: expo.dev
Published in directory: Nov 21, 2025
Last record update: Nov 21, 2025

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Overview
6 key features
6 use cases

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What is Expo

Expo is an open-source framework that empowers developers to create universal native apps for iOS, Android, and the web with JavaScript or TypeScript from one codebase. It offers a comprehensive set of tools to accelerate development, including rapid iteration, building, and deployment processes. With access to pre-built components and APIs for common functionalities like push notifications and authentication, Expo simplifies complex tasks. Built on React Native, it ensures apps are performant and visually appealing, providing an exceptional developer experience for beginners and professionals alike. This approach eliminates the need to learn platform-specific languages, allowing faster time-to-market for app ideas.

Key Features

Cross-platform development from one codebase

JavaScript and TypeScript support

Pre-built components and APIs

Rapid development and deployment tools

High performance with React Native

Superior developer experience

Use Cases

Startup mobile app development
Rapid prototyping of ideas
Multi-platform app creation
Implementing push notifications
Building user authentication
Web and mobile app integration

Why do startups need this tool?

Expo accelerates startup growth by enabling rapid development, deployment, and iteration of cross-platform apps using a single codebase, significantly reducing time-to-market and development costs while maintaining native performance.