Software Alternatives, Accelerators & Startups

Apache Flex VS Onsen UI

Compare Apache Flex VS Onsen UI and see what are their differences

Apache Flex logo Apache Flex

Apache Flex is an open-source tool that allows users to build their own apps. Applications can be designed and created for a variety of mobile and traditional platforms. Read more about Apache Flex.

Onsen UI logo Onsen UI

HTML5 Hybrid Mobile App UI Framework - work with Angular, React, Vue, Meteor & pure JavaScript. Material & Flat design.
  • Apache Flex Landing page
    Landing page //
    2021-09-13
  • Onsen UI Landing page
    Landing page //
    2023-01-21

Apache Flex features and specs

  • Rich User Interface
    Apache Flex allows developers to create highly interactive web applications with rich UI elements and animations, enhancing user experience.
  • Cross-Platform Development
    Flex offers the ability to develop applications that run consistently across multiple platforms including browsers and desktops, saving time and effort in development.
  • Mature Framework
    Having been around since the early 2000s, Flex is a mature and stable framework, which means it has a rich set of features and is well-documented.
  • Component-Based Development
    Flex supports component-based development, allowing for modular and reusable code, which can streamline the development process and improve maintainability.
  • Strong Community Support
    Apache Flex has a strong community of developers who contribute to its continuous improvement and provide support through forums, mailing lists, and documentation.
  • Integrated Development Environment (IDE) Support
    Flex is compatible with several IDEs, including Adobe Flash Builder, which offers tools and features that enhance the development process.

Possible disadvantages of Apache Flex

  • Declining Popularity
    As newer technologies like HTML5, JavaScript frameworks (React, Angular, Vue), and CSS advances have gained traction, the popularity of Apache Flex has waned.
  • Dependency on Flash
    Historically, Flex applications heavily relied on Adobe Flash Player, which is now obsolete and no longer supported by most modern browsers.
  • Performance Issues
    Flex applications can sometimes suffer from performance issues, particularly with complex user interfaces or large datasets, making the user experience less smooth.
  • Steep Learning Curve
    For developers new to Flex or ActionScript, the learning curve can be quite steep, requiring time to become proficient and productive.
  • Limited Mobile Support
    Flex does not provide strong native support for mobile applications, which is a significant drawback in today's mobile-first development environment.
  • Smaller Talent Pool
    Due to its declining usage, finding skilled Apache Flex developers can be challenging compared to more popular and current technologies.

Onsen UI features and specs

  • Cross-Platform Compatibility
    Onsen UI supports iOS, Android, and Windows platforms, allowing developers to create apps that work seamlessly across multiple operating systems using a single codebase.
  • Easy to Learn
    Onsen UI provides clear documentation and an extensive set of components, making it easy for developers, including those who are new to mobile development, to get started quickly.
  • Performance
    Onsen UI is known for its performance, providing smooth animations and transitions on both mobile and desktop devices. It's optimized to work well even on less powerful devices.
  • Integration with Popular Frameworks
    Onsen UI can be seamlessly integrated with popular front-end frameworks like Angular, React, and Vue.js, enhancing its versatility and allowing developers to use their framework of choice.
  • Customizability
    The platform offers a high level of customizability, letting developers create unique and tailored user experiences by extending and modifying existing components.
  • Active Community
    Onsen UI has a robust community and active support, which means developers can readily find solutions to problems, share knowledge, and get updates on new features.
  • Built-in Theme Support
    Onsen UI provides built-in themes that automatically change the look and feel of the application to match the target platform, enhancing user experience by providing a native look and feel.

Possible disadvantages of Onsen UI

  • Dependency on Groovy
    Some features in Onsen UI depend on the Monaca CLI which uses Groovy, adding an additional technology layer that developers might need to learn.
  • Limited Plugin Ecosystem
    Compared to other frameworks like React Native or Flutter, Onsen UI has a relatively limited range of third-party plugins, which can restrict the functionality or require custom development for certain features.
  • Learning Curve for Advanced Customization
    While basic usage is straightforward, advanced customization may have a steeper learning curve, particularly for developers not familiar with mobile-first design principles.
  • Less Popularity
    Onsen UI is less popular compared to frameworks like React Native and Flutter, which can result in fewer resources, tutorials, and community support.
  • Debugging Complexity
    Debugging mobile-specific issues can be more involved when using a hybrid framework like Onsen UI compared to using native development tools.
  • Dependency Management
    Managing dependencies in a hybrid environment can sometimes be challenging, especially when dealing with different versions of libraries and platform-specific issues.

Apache Flex videos

No Apache Flex videos yet. You could help us improve this page by suggesting one.

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Onsen UI videos

Onsen UI - Introduction

More videos:

  • Tutorial - Onsen UI Getting Started Tutorial
  • Review - Masahiro Tanaka - Hybrid Mobile Apps with Vue.js and Onsen UI | VueConf 2017

Category Popularity

0-100% (relative to Apache Flex and Onsen UI)
Development Tools
34 34%
66% 66
Developer Tools
37 37%
63% 63
Development
100 100%
0% 0
JavaScript Framework
29 29%
71% 71

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Apache Flex and Onsen UI

Apache Flex Reviews

We have no reviews of Apache Flex yet.
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Onsen UI Reviews

Top React component libraries (2021 edition)
Originally based on AngularJS with support for jQuery, Onsen UI offers an adapted framework for React. Onsen was developed by Monaca Software which specializes in mobile app development and is based out of Japan. Based on the mobile-first origin, the Onsen UI framework is well suited for building mobile apps.
Source: retool.com
Top JavaScript Frameworks For Mobile App Development
OnSen UI is a powerful, free, opensource mobile application JavaScript framework that is bundled up with ready to implement features with a native nature. It is apt for building hybrid apps with Cordova and progressive web apps.There are 3 layers attached to it — CSS components, framework bindings, and web components.
Source: medium.com
Comparing popular React component libraries
Onsen UI is a bit different from the previous libraries we’ve examined. Because it’s built with a mobile-first design in mind, Onsen UI is mostly used to build cross-platform mobile web apps.
10 React Native Alternatives
Most importantly, the Onsen UI ecosystem has a toolkit known as Monaca that helps in developing hybrid mobile apps.
20 Best Front-End Frameworks For Bootstrap Alternative
Onsen UI is a hybrid framework that works well with PhoneGap and Cordova. With AngularJS, jQuery, Font Awesome and TopCoat as the foundation, Onsen UI can be a promising tools for developing amazing mobile apps. Onsen UI can help you build mobile apps easily using the concept of Web Components.
Source: beebom.com

Social recommendations and mentions

Based on our record, Onsen UI should be more popular than Apache Flex. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Apache Flex mentions (1)

Onsen UI mentions (2)

  • 12 Frameworks for Hybrid Mobile Apps
    Onsen UI has quickly grown in adoption since its release in 2013. It is an open-source framework under the Apache v2 license. Onsen UI is framework-agnostic UI components, you can choose and switch among the frameworks: AngularJS, Angular, React, and Vue.js or go pure JavaScript to build your hybrid apps. - Source: dev.to / over 2 years ago
  • Why are HTML attributes set differently into the DOM?
    For one of our web applications, we used the Onsen UI js framework with its React support library. Source: about 3 years ago

What are some alternatives?

When comparing Apache Flex and Onsen UI, you can also consider the following products

Apache Cordova - Platform for building native mobile applications using HTML, CSS and JavaScript

jQuery Mobile - jQuery Mobile

React Native - A framework for building native apps with React

PhoneGap - Easily create apps using the web technologies you know and love: HTML, CSS, and JavaScript.

NativeScript - Build truly native apps with JavaScript

Ionic - Ionic is a cross-platform mobile development stack for building performant apps on all platforms with open web technologies.