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Qt VS Codename One

Compare Qt VS Codename One and see what are their differences

Qt logo Qt

Powerful, flexible and easy to use, Qt will help you not only meet your tight deadline, but also reduce the maintainable code by an astonishing percentage.

Codename One logo Codename One

iOS, Android, Windows Phone native app development in Java.
  • Qt Landing page
    Landing page //
    2023-10-22
  • Codename One Landing page
    Landing page //
    2022-04-28

Qt features and specs

  • Cross-Platform Development
    Qt allows developers to write applications that can run on multiple platforms, including Windows, macOS, Linux, Android, and iOS, without the need for significant code changes.
  • Rich Documentation
    Qt provides extensive and well-maintained documentation, making it easier for developers to learn and troubleshoot the framework.
  • Mature and Stable
    Being a mature framework, Qt has a long history of stability and a strong track record in producing robust applications.
  • Comprehensive UI Components
    Qt offers a wide range of built-in UI components, which can significantly speed up the development process and provide a native look and feel on different platforms.
  • Strong Community Support
    Qt has an active and helpful community, which can be beneficial for developers seeking support or looking to collaborate on projects.
  • Performance
    Applications built with Qt tend to be efficient and performant, due to close-to-the-metal coding options and optimizations available in the framework.
  • Tooling
    Qt Creator, the official IDE for Qt, offers powerful tools for designing, coding, testing, and debugging applications, enhancing productivity.

Possible disadvantages of Qt

  • Licensing Costs
    Though Qt offers an open-source option, commercial licenses can be expensive, which can be a significant constraint for smaller businesses or independent developers.
  • Learning Curve
    The framework can have a steep learning curve for beginners, especially for those unfamiliar with C++ or the specific paradigms Qt employs.
  • Large Executable Size
    Applications built with Qt can have larger executable sizes compared to those built with more lightweight frameworks, which might be a concern for some applications.
  • Dependency on C++
    While Qt has bindings for other languages like Python (PyQt, PySide), its core is based on C++, which might not be ideal for developers looking for a more modern or different programming language.
  • Complexity in Customization
    While Qt offers many features out-of-the-box, deep customization, especially for non-standard requirements, can become complex and time-consuming.
  • Build Times
    Due to its comprehensive nature, applications using Qt can have longer build times, which can slow down the development cycle.

Codename One features and specs

  • Cross-Platform Development
    Codename One allows developers to create applications that run on multiple platforms, including iOS, Android, Windows, and more, using a single codebase. This reduces the need for platform-specific development and maintenance.
  • Java-Based
    It uses Java as its primary programming language, which is widely known and used, making it accessible for a large pool of developers and leveraging existing Java skills.
  • Cloud-Based Build
    Codename One offers a cloud-based build service, which simplifies the process of compiling and packaging apps for various platforms without the need for separate SDK installations on the developer's machine.
  • Rich UI Components
    The platform provides a wide array of customizable UI components, allowing developers to create modern and visually appealing interfaces that can be tailored to fit different platform styles.
  • Easy Portability and Testing
    Apps can be easily tested across different platforms using simulators, and Codename One provides tools to check platform-specific behavior, improving portability and reducing platform-specific issues.

Possible disadvantages of Codename One

  • Performance Limitations
    Due to the nature of cross-platform frameworks, Codename One may not match the performance of native applications, especially for more complex or resource-intensive applications.
  • Limited Access to Native Features
    While Codename One aims to abstract platform differences, access to some specific native features might be limited or require additional bridging via native interfaces.
  • Learning Curve for New Users
    Developers unfamiliar with the Codename One framework or its component model may face a learning curve before becoming proficient in using it effectively.
  • Community and Support
    While there is a community around Codename One, it may not be as large or active as communities for some other, more widely-used cross-platform frameworks, which might affect the availability of community-based support or resources.
  • Dependency on Cloud Services
    The reliance on cloud-based build services can be a limitation if developers prefer or require complete offline operations, or if there are any service downtimes impacting project timelines.

Qt videos

Review of Qt 5.4

More videos:

  • Review - QT.HAIR Wet & Wavy/ Dream Straight Review |Which is Better?
  • Review - QT HAIR REVIEW| Affordable Brazilian Bundles

Codename One videos

Top Five New Features of Codename One 6.0 - Chat

Category Popularity

0-100% (relative to Qt and Codename One)
Development Tools
89 89%
11% 11
Developer Tools
61 61%
39% 39
Rapid Application Development
Cross-Platform Development

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Qt and Codename One

Qt Reviews

Top 5 Flutter Alternatives for Cross-Platform Development
Qt is a versatile C++ framework known for its efficiency and flexibility. With Qt, developers can create cross-platform applications with native-like performance.
Source: www.miquido.com
Exploring 15 Powerful Flutter Alternatives
Qt is a mature, cross-platform native framework for building apps and devices using C++. Qt sees extensive use in embedded systems requiring slick UIs on low-power devices with limited memory. It compiles nearly identically to straight C++ while adding conveniences like signals and slots that feel akin to JavaScript event handling. But apps targeting desktops, servers, and...
Best GUI frameworks for Go
Qt is a cross-platform application development framework widely used for developing desktop, mobile, and embedded systems. Qt provides a powerful, easy-to-use, and flexible C++ class library for building GUIs and other types of applications. Qt has a wide range of built-in widgets, including buttons, labels, list boxes, and more.
10 Best Tools to Develop Cross-Platform Desktop Apps 
Written in C++, this cross-platform framework is used for native embedded, desktop, and mobile applications using GUI widgets and quick modules using QML language. C++ is a backend and QML (QtQuick 2) is a frontend side. Its meta-object compiler runs before the build. Qt can be used in several programming languages like Python, JavaScript, and others due to language...
Top Cross-Platform App Development Frameworks
Qt is a pretty mature GUI and cross-platform app development framework that dates back to 1995. Developers can use Qt for crafting applications for mobiles, embedded platforms, or desktops. As Qt is based on C++, any developer with a decent C++ experience (pretty easily found) can help you craft a cross-platform app using Qt with a single codebase.
Source: www.pangea.ai

Codename One Reviews

10 React Native Alternatives
Additionally, Codename one generates native OS binaries that developers can upload to Apple/Google/Microsoft, etc.
Top Cross-Platform App Development Frameworks
Created in 2012, Codename One is a leading open-source, cross-platform framework for developing cross-platform apps for iOS, Android, web, or desktop. Using Codename One, developers can write code in Java or Kotlin and make it native to different platforms. And as Codename One is WORA (write once run anywhere) framework, a single codebase is required for different platforms....
Source: www.pangea.ai

What are some alternatives?

When comparing Qt and Codename One, you can also consider the following products

wxWidgets - wxWidgets: Cross-Platform GUI Library

Flutter - Build beautiful native apps in record time 🚀

GTK - GTK+ is a multi-platform toolkit for creating graphical user interfaces.

Ionic Framework - A front-end SDK to develop applications with HTML5 , CSS3 and JavaScript.

Electron - Build cross platform desktop apps with web technologies

React Native - A framework for building native apps with React