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May 20, 21  |  Irfan Raza

Best Cross-Platform Mobile App Development Frameworks 2021

For several companies across different markets, mobile applications have become a must. Certain apps must run smoothly across various devices, including iOS, Android, and Windows. You can easily and cost-effectively develop such technologies using the cross-platform mobile development approach.

Most App development businesses want their presence to be on Google Play Store or the IOS Store in today's incredibly disruptive mobile app production environment.

If a company opts for native applications, though, budgeting is normally a problem. This is why cross-platform software development has been the undisputed alternative of companies looking to establish a footprint on both android mobile application development and iOS.

The terms "cross-platform mobile app development" and "hybrid mobile app development" well-known strategies in the mobile application development world: these are methods that help developers to create a mobile solution that is compliant with many operating systems and devices at the same time (Android, iOS, Windows).

Since hybrid technologies combine native code with independent code that can run on different platforms, they have a native look and sound. Developers write code once and then reuse it, allowing software to be released easily.

Developers create cross-platform applications using intermediate programming languages such as HTML, JavaScript, and CSS, which are not native to hardware or operating systems.

What Is Cross-Platform Mobile Application Development?

Instead of making separate software versions for each platform, cross-platform application development involves creating a single application that can run on several operating systems.

The biggest motivation for cross-platform technology creation is to create applications that perform well in many digital environments, intending to sell them to a larger audience.

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The Difference Between Native and Cross-Platform App Development

App development platforms, both native and cross-platform, are constantly evolving. Because of the ever-changing nature of technology, these subjects should be revisited from time to time to see which of these solutions is actually the most effective.

Native application development avoids the complexities of developing a long-lasting product that covers many platforms and instead focuses on delivering a professional design that adheres to the target platform–Android, iOS, and so on.iOS apps are written in Objective-C and Swift; Android apps are written in Java, C/C++, and Kotlin; and Windows Phone apps are written in C# and Visual Basic.

Developers are driven by basic OS specifications when developing native apps. When a native app is installed on a specific computing system, it can take advantage of any of the existing functionality and capabilities.

Cross-platform app development aims to create an interface that reaches out to as many users of the company as possible by spanning a great number of devices. It uses platform-agnostic technologies such as HTML and CSS and helps businesses cover many end devices at lower costs.

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Top Five Frameworks for Hybrid Mobile App Development

When developing for mobile devices, it should be extremely clear from the start that the application development model will be followed.

We have gathered five of the most popular frameworks for cross-platform mobile application development in use in 2021.

  • Xamarin 

Xamarin began as an independent cross-app creation platform in 2011 but was then acquired by Microsoft in 2016, giving it more prestige. Due to this, it has now become the premier cross-platform mobile application development tool.

It's an open-source platform that was created to address the issue of disjointed native technology stacks, which made developing mobile apps impossible and costly.

Xamarin is based on the C# programming language and the.NET platform, and it's included in Visual Studio under the MIT license. The following components make up its development toolset:

  • Visual Studio/Xamarin Studio (its own IDE)
  • Xamarin SDKs
  • Xamarin Test Cloud 
  • Xamarin.Mac to build native Mac apps 
  • React Native

One of the most popular cross-platform mobile development platforms is React Native. It's designed on React, a best-in-class JavaScript library for building user interfaces, and it's optimized for mobile devices.

The beauty of React Native is that you can create cross-platform solutions using a standardized JavaScript language as well as native platform-specific languages like Java, Swift, or C. As a result, this architecture will translate source code into native components, resulting in a more natural user interface.

Without learning new programming skills, web developers can quickly build smartphone applications with React Native. 

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  • Ionic

Ionic is a framework licensed under MIT. HTML5 is used for translation. In terms of style and structure, it's very similar to AngularJS. It also borrows some interface features from both iOS and Android. It enables you to build hybrid applications that look and feel like native apps for Android and iOS, as well as progressive mobile apps.

Ionic is based on a SAAS UI architecture that is optimized for mobile platforms. It comes with a variety of UI modules that can be used to build robust applications.

You will ship constantly with the Ionic system. Ionic App flow covers the entire mobile DevOps lifecycle, from automatic native builds to live updating and CI/CD. 

  • Adobe Phone Gap

PhoneGap is an open-source mobile app development platform that is widely known as the best and most common tool for hybrid solutions, thanks to its simplicity.

HTML5, CSS3, and JavaScript are all supported by the tool. It offers native plugins and containers for each mobile platform, allowing users to add more functions and access application functionality including the camera, microphone, accelerometer, compass, and file system. Apps run in a WebView window within a native container on the relevant platform after they've been developed. 

  • Sencha

Sencha is the industry leader in enterprise mobile application development platform and its robust system allows teams to concentrate on developing software rather than designing frameworks. Developers can create data-intensive cross-platform web and mobile apps using this framework, which is built on current web technologies such as ES6, HTML5, JavaScript, and CSS.

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How to Choose the Appropriate Hybrid App Framework?

The best approach for hybrid growth is determined by several considerations, the most important of which are:

  • The scale of the company
  • Developers' abilities
  • Targeted Solution

It's difficult to tell which of these tools for hybrid mobile app creation is better without considering it. 

Ionic is a good option if you're a small business or an aspiring developer looking to make a quick app. Sencha, Xamarin, and other hybrid software development techniques can be used by large companies, agencies, and businesses that need robust and powerful solutions. 

Advantages of Cross-Platform Application Development 

  • Exposure to the target audience 

Using a mobile cross-platform creation strategy, you can create an app and distribute it through all networks, including the web. This means that you can hit both the iOS and Android platforms by creating a single app, effectively doubling your scope. 

  • Development Costs are lower 

The principle of cross-platform application development is "write once, run anywhere." The cost of implementation can be reduced by using reusable codes and agile app development using tools. As a result, there is no better way to boost your company on various sites than by using cross-platform apps. 

  • Integration with cloud 

Cross-platform mobile applications are fully compatible and can take advantage of different extensions that are combined with cloud settings. To put it another way, the app's scalability and flexibility are improved by integrating the same source code with different plug-ins and extensions. 

  • Uniform Design 

Users are better able to understand user interface (UI) if every component integrated is user-friendly and intuitive. For any app or program, User Experience (UX) is critical in people accepting that particular piece of software and will directly affect demand for that software growing over time.

It is crucial in android mobile application development and ios development to optimize the user interface through a mobile application development platform so that usage of the app is made simple so that it covers a wide base of the target audience. 

It's difficult to keep track of multiple development tasks when working on multiple applications. Cross-platform mobile development tools allow developers and designers to provide a consistent user interface for smartphone users. 

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Drawbacks of Cross-Platform Application Development 

  • Hybrid implementations have more complex code that mixes native and non-native elements, which can influence performance. 
  • Cross-platform apps sometimes cannot match up to native-only capabilities and functionality of mobile devices, such as sophisticated graphics and animation or 3D effects, which are not supported by cross-platform applications. As a consequence, the app's functionality is reduced, and the interface is mediocre. 
  • As Google and Apple release new updates for Android and iOS, native solutions will take advantage of them right away. On the other hand, hybrid software would have to wait before these changes have been calibrated to the cross-platform system of choice. As a result, there will be delays in upgrades.

Estimating Mobile Application Development Cost 

Several years ago, the expense of developing an app for two big mobile platforms – iOS and Android – was significantly different. This gap is currently insignificant, according to several pieces of research undertaken by existing software development firms. Today, the most important aspect is the sophistication of the smartphone app, which can be randomly classified as Simple, Medium, or Complicated. An easy app with a basic User Interface and a collection of must-have features costs between $40,000 and $60,000, while a Medium difficulty app creation project costs between $61,000 and $120,000, and a Complex app project costs at least $120,000, if not more.


Cross-platform solutions are effective, but due to the fragmentation of mobility systems, they have not gained enough traction since their inception. Cross-platform mobile app growth is likely to see a lot of progress soon, now that the mobile app development environment is essentially split into two major platforms—Android and iOS.

Which of the above cross-platform software development frameworks should you pick? The simple response is that it varies, so consulting a knowledgeable and professional cross-platform mobile app development firm will assist in making an educated decision.

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