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dcloudio/uni-app

A Vue.js-based cross-platform framework that lets developers write one codebase for iOS, Android, HarmonyOS, Web and many mini-program platforms.

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What is it?

uni-app is a framework for building front-end applications with Vue.js. Developers write one codebase and publish it to iOS, Android, HarmonyOS, responsive Web, and a range of mini-programs such as WeChat, Alipay, Baidu, Douyin, and Kuaishou, as well as Quick Apps and HarmonyOS atomic services.

The project is split into two generations. uni-app x, the newer line and this repository's main branch, lets pages be written in JS, TS, or UTS, and renders natively on App platforms. The older uni-app runs on the same architecture as mini-programs, with JS logic and a web-view rendering layer. UTS is a TypeScript-like language that compiles to Kotlin on Android, Swift on iOS, ArkTS on HarmonyOS, and JS on Web and mini-program targets, mainly used for native plugin extensions.

The repository includes performance benchmark reports, documentation, example projects, source code, and tests. The project also provides AI-related tooling, including a CLI for AI model training and an uni-agent assistant for development.

Key features

  • 01Compile one Vue codebase to iOS, Android, HarmonyOS, Web, and multiple mini-program platforms.
  • 02Supports JS, TS, and UTS for writing pages in uni-app x.
  • 03App platforms render with native views in uni-app x.
  • 04UTS compiles to Kotlin, Swift, ArkTS, or JS depending on the target.
  • 05Includes benchmark reports for View, Text, and long-list rendering on three App platforms.

Use cases

  • Shipping one product as both a mobile app and a WeChat or Alipay mini-program.
  • Building a responsive Web app and native App from the same Vue codebase.
  • Writing native plugins for App platforms with the UTS language.

Quick start

  1. 1

    Visit the hello uni-app x example repository on GitHub to get started

  2. 2

    Clone the repository for the uni-app x branch and browse the examples folder

Things to know

  • The README gives no single install command, so setup requires following links to external docs and repositories.
  • Parts of the native rendering path target specific platforms, and the Quick Experience QR demo notes that some Quick App features are limited to vivo, OPPO and Huawei.

Topics

#vue#cross-platform#mobile#mini-program#harmonyos#typescript#android#crossplatform#hbuilderx#ios

FAQ

What is uni-app?
A Vue.js-based cross-platform framework that lets developers write one codebase for iOS, Android, HarmonyOS, Web and many mini-program platforms. uni-app is a framework for building front-end applications with Vue.js. Developers write one codebase and publish it to iOS, Android, HarmonyOS, responsive Web, and a range of mini-programs such as WeChat, Alipay, Baidu, Douyin, and Kuaishou, as well as Quick Apps and HarmonyOS atomic services.
Is uni-app free to use? What license does it have?
uni-app is open source under the Apache-2.0 license. Check the license terms before using it in commercial products.
Is uni-app still maintained?
Actively maintained. The last commit to uni-app was on Oct 20, 2026.
What can I use uni-app for?
Shipping one product as both a mobile app and a WeChat or Alipay mini-program. Building a responsive Web app and native App from the same Vue codebase. Writing native plugins for App platforms with the UTS language.
How do I install uni-app?
Visit the hello uni-app x example repository on GitHub to get started Clone the repository for the uni-app x branch and browse the examples folder
Where can I get uni-app?
The source code and installation instructions are on GitHub: https://github.com/dcloudio/uni-app

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