The Ultimate Guide to Cross Platform Application Development in 2024

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Introduction

In the modern mobile app industry, cross-platform application development has been in the spotlight as a game-changer. The main reason for its popularity is that developers can craft applications that perform flawlessly on both iOS and Android without the hassle of rewriting code for each platform. This is a powerful approach as it not only slashes development time but also drastically cuts costs. These benefits allow developers to reach a wider audience with ease. However, cross platform mobile app development tools help software creators bridge the gap between various operating systems effortlessly. This includes Windows, macOS, and Linux, as well as mobile giants like iOS and Android. For those looking for a cost-effective, time-saving solution to amplify your app’s reach, cross-platform application development is the ultimate answer. This blog will help you learn how to make cross platform apps, benefits of cross platform app development, cross platform app development examples and some best cross platform mobile app development frameworks. Let’s start: 

What is Cross Platform Application Development?

Cross-platform application development is an approach to building an application. This type of app can be deployed across various platforms including IOS, Android and web. It offers several advantages like cost-efficiency because creating integrated source code can be much cheaper in terms of development and maintenance compared to if a company were to create separate native apps for the platforms. Moreover, it also benefits with faster time to market as there are prolific cross platform mobile app development tools and frameworks worthy of developing a cross platform application that can be created much more quickly than in isolated tools. Lastly, it provides a consistent user experience which unifies the brand and increases client’s satisfaction.

Benefits of Cross-Platform App Development

As per the latest analysis, the global cross platform app development framework market size is expected to reach US$ 120 billion in 2023 and US$ 546.7 billion by the end of 2033. However, according to statista, In 2022, there were 26.4 million software developers worldwide. The number of developers is growing year by year due to the rise of app and web development in the growing digital age. This illustrates the significant demand as well as expanding opportunities. By employing such frameworks, companies can effectively address a larger market, enhance operational efficiencies, and stay competitive in the digital age where app and web development are increasingly crucial. This approach not only facilitates broader reach and scalability but also aligns with the growing trend of businesses seeking cost-effective, efficient tech solutions. Lets see some of the benefits that cross platform application development provides:

Benefits of Cross-Platform App Development

Faster Time to Market:

If you launch an app on multiple platforms with a single codebase, it speeds up development, helping you reach users quickly. This rapid turnaround lets you capitalize on market trends and respond to customer needs efficiently. By reducing time to market, businesses can gain a competitive edge and establish a presence before competitors.

Cost-Effective:

If you reuse code, you need a smaller development team, which reduces costs significantly. This approach allows startups and small businesses to allocate resources more effectively. With lower development costs, businesses can invest savings into marketing and other growth initiatives, maximizing their return on investment.

Wider Reach:

A single app can reach both Android and iOS users, expanding your audience without extra effort. Multi-platform mobile application development broadens your market presence and increases potential user engagement. By catering to a larger audience, businesses can enhance brand recognition and drive more downloads and user interactions.

Consistent User Experience (UX):

Ensuring a uniform design across platforms builds trust and familiarity with users. A seamless experience makes it easier for users to navigate the app, increasing satisfaction and retention. Consistency also reinforces brand identity, making it easier for users to recognize and prefer your app.

Easier Maintenance:

Managing one codebase simplifies updates and bug fixes, making the process more efficient. This reduces downtime and ensures users have access to the latest features and improvements. Simplified maintenance means faster responses to user feedback and quicker implementation of enhancements.

Faster Prototyping:

Rapid development allows for quick testing and user feedback, letting you refine your app before full release. Early prototypes help gather insights, enabling better decision-making for features and functionality. This iterative process reduces the risk of costly redesigns and ensures the final product meets user expectations.

Future-Proofing:

Evolving frameworks support new technology, keeping your app current and adaptable. Staying updated with tech trends ensures your app remains competitive and relevant. Future-proofing your app means you can easily incorporate new features and innovations as they emerge, maintaining user interest and engagement.

Resource Optimization:

Streamlined processes maximize team efficiency, allowing more focus on innovation and growth. By optimizing resources, businesses can achieve more with less, driving productivity and reducing overhead. Efficient resource use leads to faster development cycles and better allocation of talent.

Faster Updates and Deployments:

Simultaneous updates across all platforms keep your app consistent and users satisfied. Quick deployments of cross platform application development ensure users always have access to the best version of your app. Coordinated updates enhance user experience by delivering new features and fixes promptly across devices.

Scalability:

Easily scale your app as your business grows, accommodating new features and users without extensive redevelopment. Scalability allows for flexible adaptation to changing market demands and user expectations. As your user base expands, scalable solutions ensure your app can handle increased traffic and maintain performance.

Multiplatform Launch: 

Release your app across various platforms simultaneously with cross-platform app development. It ensures that your app reaches a diverse audience all at once, providing a cohesive and synchronized user experience that spans different devices and operating systems.

Broader Audience: 

Expand your app’s reach by catering to both iOS and Android users through a single development effort, you tap into a broader market. This inclusivity translates into greater user acquisition, engagement, and ultimately, success for your app.

Seamlessly Functioning App: 

Cross-platform app development languages come equipped with robust cross platform mobile app development tools and libraries that guarantee a smooth, native-like performance. Users will enjoy a consistent experience, whether they’re on an iPhone or an Android device, as these frameworks adeptly handle the intricacies of different operating systems.

Simplified Maintenance: 

Maintenance includes, updates, bug fixes, and new features can be deployed across all platforms simultaneously. This unified approach not only simplifies the process but also ensures that all users benefit from the latest enhancements at the same time.

List of Cross Platform App Development Languages

Choosing the right programming language for cross-platform application development can significantly improve the development process, performance, and user experience across multiple platforms. This list includes various programming languages that cater to different functionality and performance optimization aspects across diverse application ecosystems, enhancing development flexibility and ensuring a consistent user experience across multiple platforms. Lets explore the essential programming languages pivotal for developers aiming to build apps that operate seamlessly across various platforms:

List of Cross Platform App Development Languages

1. Java

Java’s platform independence is epitomized by its JVM (Java Virtual Machine). it allows developers to run applications on any system that supports Java. This flexibility by Java’s extensive libraries and tools enhance its utility in cross-platform mobile app development. This means Java’s robust performance makes it a staple for Android development as it offers superior scalability across different platforms.

2. Python

Python is like an all-rounder top programming language and remains a superstar for several reasons. It’s beginner-friendly, with easy-to-read code that lets you focus on your program’s logic. Python’s readability and extensive libraries make it a favorite for desktop applications that run on multiple operating systems. With frameworks like Kivy or BeeWare, Python can also be used to develop mobile applications that work across both Android and iOS platforms. This means Python is like an all-rounder top programming language and remains a superstar as it excels in several fields, including web development, mobile app development, cross platform app development, data science, and machine learning. Also, Python is the open-source Django framework for back-end web development. For the tld;r – Mozilla, Instagram, and Spotify have been developed using the Django programming language.

3. C++

C++ is a highly efficient programming language known for its control, versatility, and efficiency. It is an extension of C, which introduces object-oriented features, making it suitable for various applications such as system software, game development, real-time simulation, and high-performance servers. C is the older language, ideal for firmware and system software development due to its simplicity, speed, and direct access to system-level resources. It is also known for its close-to-hardware programming capabilities, C++ is ideal for applications requiring real-time processing. It’s inherently portable, making it easy to develop applications that perform consistently across iOS, Android, and other platforms. C++ blends well with other languages, enhancing its versatility for cross-platform development, particularly in game development due to its performance efficiency.

4. JavaScript and HTML5

In the Developer Survey, over 64% of respondents reported using JavaScript in the past year, making it the most popular programming language 2024 among developers. But, JavaScript, along with HTML and CSS, is essential for front-end web development, as it is used by popular sites like Facebook, Twitter, Gmail, and YouTube. Moreover, when combining JavaScript with HTML5, it creates robust solutions for cross-platform development. HTML5 elevates web application capabilities, supporting responsive designs that adapt to various devices. It enables applications to function in low connectivity environments, and when paired with JavaScript, it’s perfect for developing hybrid applications.

5. Kotlin

Kotlin is a mobile app framework by JetBrains. It allows shared code across Android and iOS, while still supporting native UI components. It integrates seamlessly with existing projects, providing a genuine shared codebase experience. Kotlin Multi Platform’s ability to leverage platform-specific features while maintaining a shared business logic layer ensures that developers can build high-quality, performant applications without duplicating effort. Kotlin is quickly becoming a favorite for Android developers due to its concise syntax and interoperability with Java. It offers safety features and is fully supported for Android development, making it a robust choice for cross-platform solutions through frameworks like Kotlin Multiplatform Mobile.

6. Swift

The Swift programming language, developed by Apple, is essential for iOS development but also extends to cross-platform through the use of SwiftUI and Swift Playgrounds. Its clean syntax and powerful features make it ideal for developing high-performance iOS and macOS applications, and it can be incorporated into cross-platform workflows via tools like Xamarin. As the most popular programming language in 2024, Swift simplifies the development of feature-rich iOS apps for iOS developers. Moreover, with Swift’s seamless integration with Apple’s ecosystem, developers can use SwiftUI, a declarative syntax for building user interfaces across all Apple platforms. Furthermore, Swift’s development is strongly community-driven, with its source code available as open source. This fosters a vibrant community of developers who contribute to the language’s evolution, ensuring the language continuously adapts and improves.

7. Dart

Dart is a programming language developed by Google, specifically designed for client-side development. When paired with the Flutter framework, Dart allows developers to write a single codebase that can be deployed across iOS, Android, and web platforms. Flutter’s rich set of customizable widgets enables developers to create visually appealing and highly responsive interfaces. Dart’s performance is enhanced by Flutter’s reactive framework, which efficiently manages UI updates. The combination of Dart and Flutter provides developers with fast development cycles, hot reload for quick testing, and a strong community for support and resources. As a result, Flutter and Dart have become increasingly popular choices for building modern, high-performance cross-platform applications.

Cross Platform App Development Examples

When developing a mobile app, you will find different types of mobile app development and each cross-platform app development framework has unique features. These frameworks can reduce development time and costs, provide native-like performance, and offer seamless user experiences across multiple platforms. This section will help you choose the best framework for your needs.

1. React Native

React Native is built on JavaScript. It offers a native-like feel and a preferred choice for developing apps that work seamlessly on both Android and iOS. Its open-source nature and large community support enhance its appeal. This mobile app development framework allows the use of native modules and libraries, enabling developers to perform heavy operations like image editing and video processing. Its compatibility with third-party plugins and focus on a responsive UI further bolster its utility. The mobile development framework’s ability to deliver high-performance applications with a single codebase makes it ideal for companies looking to deploy apps quickly without compromising on quality.

2. Flutter

Flutter is an innovation of Google for the aim of building apps for any screen. This is a software development kit that supports the rapid development of Android and iOS apps. In a survey it was mentioned as the best cross platform development framework. It features a reactive framework that updates UI content automatically and promotes portable GPU rendering for high-performance interfaces. Flutter’s inbuilt graphic engine and ability to efficiently remake widget trees make it an ideal choice for creating dynamic applications. Additionally, Flutter’s hot reload feature allows developers to see the results of their code changes instantly, greatly enhancing the development workflow and reducing debugging time.

3. NativeScript

NativeScript is an open-source framework designed for building native mobile applications using JavaScript or TypeScript. It enables developers to use a single codebase to create apps for both Android and iOS, providing direct access to native APIs without requiring additional wrappers. This allows for the integration of native components, ensuring that applications have a native look and feel. NativeScript supports Angular and Vue.js, making it a flexible choice for developers familiar with these frameworks. Its ability to leverage native UI components ensures high performance and a seamless user experience across platforms. NativeScript’s robust ecosystem and active community make it a strong option for cross-platform development.

4. Xamarin 

Xamarin is used as a smart development strategy as it allows the development of apps for Android, Windows, and iOS with up to 90% code reuse. It provides native-level functionality through plugins and specific APIs and supports linking with native libraries, which makes it a top choice for developing applications with native aesthetics and functionality. Xamarin’s robust compile-time checking and reduced runtime errors ensure high-quality applications, while its seamless integration with Visual Studio offers a comprehensive development environment for developers.

5. Node.JS

Node.js is known for its high efficiency and responsiveness. Also, it is a JavaScript runtime built on the Chrome V8 engine. It supports the development of server-side and scalable networking apps with asynchronous APIs and a rich library of JavaScript modules. Node.js is particularly noted for its non-blocking nature and ability to handle numerous concurrent connections. This framework’s event-driven architecture makes it suitable for building real-time applications, such as chat applications or online gaming platforms, where performance and scalability are crucial.

6. Apache Cordova

Apache Cordova is an open-source mobile development framework that enables developers to build applications using web technologies like HTML, CSS, and JavaScript. By leveraging web-based languages, Cordova allows developers to create apps that run on multiple platforms, including Android and iOS, using a single codebase. It provides access to native device functionalities, such as camera and GPS, through a set of plugins, bridging the gap between web and native applications. Cordova’s simplicity and flexibility make it a popular choice for developers looking to create cross-platform mobile applications quickly and efficiently.

7. Unity

Unity primarily uses C# for coding and offers a wide range of resources for creators at every stage of learning. From free tutorials to in-person training, Unity provides top-notch educational tools. Developed by Unity Technologies, the engine supports 2D, 3D, connected, and AAA games. Unity comes with a wealth of free plugins, detailed documentation, and a robust asset store. For enhanced options, the company offers paid sessions for superior graphics and deployment, though these can increase costs. Unity’s extensive features and strong community support make it a leading choice for game developers.

How Create a Cross Platform App - Best Practices

Creating a cross-platform app involves a series of structured steps to ensure compatibility across multiple operating systems while maintaining performance and user experience. Here’s a general guideline:

Step 1: Select a Framework

To select a suitable framework for your project, evaluate options like Flutter, React Native, and Xamarin. Each has its strengths, such as a fast development cycle, expressive UI, native-like experience, and compatibility with the Microsoft ecosystem. Additionally, consider frameworks with strong community support for resources and troubleshooting, as communities provide valuable insights and help resolve issues quickly.

Step 2: Setup a Development Environment

To set up a development environment, install necessary tools like Visual Studio Code, Git, and platform-specific SDKs for iOS and Android. Configure IDEs like Android Studio and Xcode, and ensure all tools are updated for optimal performance and feature access. 

Step 3: Design the UI/UX

The UI/UX design involves using tools like Figma and Sketch to create a consistent, responsive design, adhering to platform-specific guidelines, and focusing on an intuitive interface that meets user expectations for a seamless experience. Design the UI/UX with a consistent, responsive user interface that provides a similar experience across different platforms. 

Step 4: Create a Single Codebase Compiled Across Multiple Platforms

You can do this using conditional coding for platform-specific functionalities, and leveraging compatible third-party libraries and APIs for added features. Develop the app using a single codebase that compiles across target platforms, employing conditional coding when necessary. Integrate third-party APIs and libraries compatible with cross-platform frameworks to enhance functionality without writing platform-specific code. 

Step 5: Testing

Comprehensive testing involves testing your app on various devices and OS versions, using automated tools like Selenium and Appium. User testing involves conducting beta tests with real users to gather feedback on functionality, design, and performance, allowing for necessary improvements before final release. This step involves thoroughly test the app on all target platforms to identify and fix bugs. Once tested, deploy the app to the respective app stores, ensuring compliance with each platform’s app store guidelines. 

Step 6: Performance Optimization

To optimize performance, streamline code and use native modules when needed for smooth app running across platforms. Utilize performance profiling tools to identify bottlenecks and optimize resource usage for a fast and responsive app.

Step 7: Deployment

To ensure successful deployment, ensure your app meets app store guidelines to avoid approval delays. Implement continuous integration/delivery pipelines to automate testing and deployment, reducing time to market and ensuring consistent updates.

Step 8: Regular Updates

Regularly update to fix bugs, improve performance, and introduce new features, with analytics monitoring user feedback. Moreover, continuous security enhancements, such as encryption and secure authentication, protect user data and build trust.

Best Cross Platform Mobile App Development Frameworks

The Persistence Market Research report identifies several key cross-platform app development frameworks that are shaping the market. 

  • React Native is praised for its ability to deliver native-like performance with a single codebase for iOS and Android, making it highly efficient for developers. 
  • Flutter, developed by Google, is highlighted for its high-performance capabilities and beautiful, customizable UI, using Dart for seamless development. 
  • Xamarin is noted for its strong integration with .NET and C#, offering robust tools for developers. 

These frameworks are popular due to their cost-effectiveness and ability to reduce development time while maintaining high performance and user experience. But as we go in detail about which one is the best cross platform mobile app development framework then according to expert surveys and reports, there is intense competition between Flutter and React Native for dominance in cross-platform app development. Flutter has gained significant popularity, becoming the leading framework due to its ease of use and developer-friendly features. In a 2022 survey, 46% of developers chose Flutter, making it the most popular cross-platform framework. Its developer community has grown to over 2 million by 2023. 

Flutter’s programming language, Dart, is considered the best cross platform mobile app development framework and it is easier to learn and more intuitive than JavaScript. It also  contributes to its preference among developers. Also, In 2021, Flutter surpassed React Native in popularity, with 42% adoption compared to React Native’s 38% adoption​.

Maximize Your Business Potential with Cross-platform App Development

Do you have a brilliant app idea that needs to be developed quickly? But you don’t know if it is  cost-effective? Vaival Technologies is a custom software development company providing world-class cross-platform application development services using common UI groundwork, and facilitating the overall development process to create one-size-fits-all platforms. Our expertise ensures your apps work seamlessly on Android, iOS, and the web, providing an exceptional user experience. We utilize cutting-edge frameworks like Flutter and React Native to deliver stunning, high-performance solutions that meet your unique business needs. 

Conclusion

Cross-platform application development requires careful planning and execution to ensure compatibility and performance across devices and operating systems. This guide covers best practices, step-by-step instructions for creating a cross-platform app in 2024, the benefits of cross-platform development, and examples of successful cross-platform apps. Flutter stands out as a top choice for development due to its efficiency and robust features. By choosing the right framework, setting up an efficient environment, maintaining consistent UI/UX design, and thoroughly testing, developers can create high-performing applications. Regular updates and monitoring of platform changes ensure relevance and security, maximizing app reach and effectiveness. Embracing cross-platform development enables businesses to deliver seamless, efficient solutions that cater to diverse audiences, enhancing engagement and growth potential.

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Sara Khalid

Technical Content Writer

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