What is Flutter?

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Flutter is an open-source UI software development framework created by Google that allows developers to build cross-platform applications (mobile, web, desktop, and even embedded devices) using a single codebase.

With Flutter, you can create apps for Android, iOS, Web, Windows, macOS, and Linux without writing separate code for each platform.

Key Features of Flutter

  • Programming Language: Flutter apps are written in Dart, a language also developed by Google.

  • Cross-Platform: You can create apps for Android, iOS, Web, Windows, macOS, Linux using the same code.

  • UI Framework: Flutter uses a widget-based approach — everything in Flutter (buttons, text, layouts, animations) is a widget, which makes UI highly customizable and fast to build.

  • Performance: Unlike some other cross-platform tools, Flutter doesn’t rely on web views; it compiles to native ARM code, giving near-native performance.

  • Hot Reload: Developers can instantly see code changes reflected in the app without restarting, speeding up development.

  • Popularity: It’s widely used by startups and big companies (e.g., Google Ads, Alibaba, BMW apps).

Why Choose Flutter?

If you’re looking to build mobile apps, web apps, or desktop applications with a single framework, Flutter is one of the best choices. It offers a combination of speed, performance, and beautiful UI design, making it ideal for both startups and large enterprises.

👉 In simple words: Flutter is a cross-platform app development framework that saves time, reduces cost, and delivers high-performance apps.