In today’s highly disruptive and Darwinian mobile app development world, businesses wouldn’t risk missing their presence on either platform: Google Play Store or the Apple App Store.
Budgeting, however, is usually an issue if businesses go for native apps. This is why cross-platform app development has emerged as the unrivaled choice of businesses that aim for a presence on both Android and iOS.
Before moving on to find out where this category of frameworks stands in 2021, it is important to discover some basics about them.
The Difference Between Native and Cross-Platform App Development
Native vs. cross-platform is a never-ending debate that has kept the tech community divided for years. There are a few experts who prefer native apps over cross-platform apps. On the other hand, companies like Uber are coming up with their cross-platform app framework—Ribs— to rewrite their driver app.
At this point everyone know that apps built with cross platform frameworks only ship if you compromise quality. But nobody has measured whether they save time over just half-assing two native apps.
— Ben Sandofsky (@sandofsky) August 14, 2019
Both native and cross-platform development technologies are in a constant state of evolution. This changing nature of technologies signals that these topics should be revisited from time to time to understand which of these options is currently leading the game.
Native app development eschews the complexity of creating a sustainable product that spans multiple platform app development and focuses on generating a competent design that stays close to the target platform (i.e., Android, iOS, etc).
Cross-platform frameworks seek to generate an app that reaches out to as many followers of a brand as possible by covering a wide number of end devices during the programming and creation process.
|Cost||High cost of development||Relatively low cost of development|
|Code Usability||Works for a single platform||Single code can be used on multiple platforms for an easy portability|
|Device Access||Platform SDK ensures access to device’s API without any hindrance||No assured access to all device APIs|
|UI Consistency||Consistent with the UI components of the device||Limited consistency with the UI components of the device|
|Performance||Seamless performance, given the app is developed for the device’s OS||High on performance, but lags and hardware compatibility issues are not uncommon|
Challenges in Cross-Platform App Development Process
A few years ago, cross-platform app development was constrained to making simple mobile apps and games. Over time, emerging technologies have made cross-platform development more adaptable, powerful, and flexible than before.
However, cross-platform development still faces challenges like:
- Performance hiccups because of inconsistent communication between the native and non-native components of gadgets
- Cross-platform app developers have difficulty maintaining cross-compliance of apps across devices and operating systems
- Performance-related glitches can lead to poor user experience
- If a business app manages part of a corporation and stores the user’s data, then going for cross-platform apps is not always a good idea due to security concerns
However, these challenges are minimal when compared to the benefits of cross-platform app development.
Benefits of Cross-Platform App Development
Gautam Agrawal, senior director of product management at Sencha stated that:
Given the exponential increase in the cost of per platform development and the need for rapid time to market, cross-platform development is the way to go for the enterprise.
1. Maximum Exposure to the Target Audience
Leveraging a mobile cross-platform development approach enables a company to build an app and deploy it over various platforms, including the web. This means that, by building a single app, one can target both iOS and Android platforms. Thus, maximizing their reach.
2. Reduced Development Cost
The cross-platform app development is based on the concept ‘write once, run everywhere. Reusable codes and Agile app development processes and tools can lessen the cost of development. Therefore, in order to improve a business on multiple platforms in a cost-effective way, there is no other alternative to cross-platform apps.
3. Easier Maintenance & Deployment
In cross-platform app development, a single and a universal app is compatible for running on all platforms. This makes it easier to maintain and deploy code as changes are made. Updates can promptly be synced over all platforms and devices, thus saving time and money. Moreover, if a bug is found in the common codebase, it only needs to be fixed once. In this way, developers can save a lot of time and money.
4. Quicker Development Process
The quick development process is another win-win situation when it comes to developing cross-platform apps. Single source code for multiple platforms can help reduce the development efforts by 50 to 80%. The process helps to develop a feature-rich business app in less time. The team of developers can meet the expected deadlines in cross-platform app development.
5. Reusable Code
Another good thing about this platform is that the code can be used again and again. Instead of developers developing new codes for every platform, a single code can be reused. This saves time as well as resources because it eliminates repetition in the task of creating codes.
6. Easy Integration with Cloud
Cross-platform mobile apps are totally compatible and can take advantage of various plugins integrated with the cloud settings. In other words, the single source code is coordinated with various plug-ins and extensions to enhance the app’s scalability and functionality.
7. Faster Time-to-Market and Customization
As mentioned above ‘write once, run everywhere is the concept that is followed while building cross-platform app development. This allows app developers to reduce Time-to-Market (TTM) with quick deployment.
Also, if the app needs to be transformed or customized, it is easy for the developers to do minor changes in a single code. This helps to deliver products more swiftly than the competitors by improving customer engagement.
8. Uniform Design
Users can recognize user interface (UI) elements, and foresee their interactions over various platforms. Therefore, User Experience (UX) is an important thing to consider for any app or software.
It is hard to sync the various development projects while developing multiple apps. Cross-platform mobile development tools allow developers and designers to build a uniform user experience that app users can enjoy.
Open-source Cross-Platform App Development Frameworks Based on Programming Languages
Best Cross Platform App Development Frameworks
There are several cross-platform app development frameworks out there, each with its own set of pros and cons. The most competitive and top-performing frameworks available today are described below:
Loved by Developers, Trusted by Enterprise
Xamarin was launched in 2011 as an independent cross-app development framework but was later acquired by Microsoft in 2016, thus lending it more credibility than before.
It is an open-source framework that was launched to solve the problem of disjointed, native technology stacks, which made mobile app development a difficult and expensive affair.
Pros of Xamarin
- Xamarin app development uses C# for coding. This means that it works seamlessly on an array of platforms (including Android and iOS)
- Xamarin has a strong community of over 60,000 contributors from more than 3,700 companies
- Xamarin allows for sharing more than 75% of code across platforms, for “write once, run anywhere” ease
- Xamarin consists of a single tech stack for faster development
Cons of Xamarin
- Xamarin is expensive for enterprises. Xamarin is a framework that comes free for individuals and startups, however, enterprises are required to buy a license for Microsoft’s Visual Studio
- Xamarin is not recommended for apps that demand heavy graphics because each platform has a different method for visually laying out screens. A UX/UI-rich application is advised to be implemented natively
- Xamarin also offers limited access to certain important libraries that the app developers need for mobile app development. Also, since the core of its user-interface creation is not mobile, creating the UI is time-consuming
Apps Made with Xamarin Cross-Platform App Framework
- Fox Sports
- Alaska Airlines
- American Cancer Society
- BBC Good Food
2. React Native
Learn Once, Write Anywhere
React Native is an endeavor that Facebook launched in 2015, and it did cause a wave in the market for hybrid frameworks. Within a few years of its introduction into the market, React is already one of the most popular cross-platform app frameworks (and the most trending framework amongst the 5 cross-platform app frameworks discussed in the blog).
Pros of React Native
- Up to 80% of a codebase can be shared across platforms, depending on the app’s complexity. Code reusability significantly speeds the development process
- React allows for previewing results right away and offers ready-to-apply elements, thus shortening the developing time considerably
- The Hot Reloading feature enables developers to see changes made in code within seconds, not minutes, like when using native technologies
- React Native focuses on UI to a great extent rendering a highly responsive interface
- It also provides access to certain useful native functionalities like accelerometer and camera. This allows for rendering a high-quality, native-like user interface
Cons of React Native
- React Native is not fully a cross-platform app framework. To use some functions as a camera or accelerometer there is still a need to use native components meaning there will be a separate code for Android and iOS
- Since the framework is not built in conjunction with iOS or Android, it lags behind the native platforms at times. This is one of the reasons that led Udacity to stop investing in React Native for new features
- React Native lacks consistency when it comes to releasing updates
- React Native improves the speed of development, but also increases the duration of the debugging process, especially on Android
Also, in the Stack Overflow ‘Developer Survey Results, 2019’, React Native was found in the category of dreaded frameworks for the first time.
Apps Made with React Native Cross-Platform App Framework
Beautiful Native Apps in No-Time
Flutter is another open source and free cross-platform framework for creating native interfaces for Android and iOS.
Flutter may sound familiar!
One might be thinking: if Google announced Flutter recently in February 2018 at Mobile World Congress and released its first version on December 5th, 2018, how did it get mentioned in this list of cross-platform app frameworks?
PS: In May 2019, Google announced the availability of the new stable build, Flutter 1.7.
Remember, Flutter is a cross-platform app framework
maintained by Google, the very same organization that develops the Android Native Framework. A survey held by Stack Overflow describes other reasons that flutter deserves its spot on this list.
In the Developer Survey Results, Flutter was amongst the top 3 most loved frameworks. Additionally, it added more competition to the already decreasing popularity of the React Native framework.
Pros of Flutter
- “Hot reloading” feature enables developers to see changes made in code within seconds as opposed to minutes
- Flutter is an ideal framework for MVP development. Instead of spending extra money and time on two separate apps, a Flutter mobile application that looks native on both Android and iOS can be built quickly
- Flutter is based on Dart, an object-oriented programming language that developers have found rather easy to acquire the skill for
- Flutter has a full set of widgets in Google’s Material Design and in Apple’s style with the Cupertino pack
- Many ready-made solutions for native Android and iOS apps enable developers to work with Continuous Integration platforms like Travis and Jenkins
Cons of Flutter
- There is limited TV support with apps built on the Flutter framework (i.e., Flutter offers no support for Android TV and Apple TV)
- Though by virtue of being developed by Google, there are several libraries with ready-to-implement functionalities, however, Flutter still lacks when compared to native development
- Since Flutter-enabled apps use built-in widgets and not platform widgets, the app’s size is usually bigger. Currently, the smallest possible app made with Flutter can weigh no less than 4MB
Apps Made with Flutter Cross-Platform App Framework
- Google Ads
Cross-platform apps are popular as it eliminates the effort to develop different apps for different platforms. A cross-platform app can run across devices and platforms seamlessly. To develop this universally compatible app, a cross-platform framework is essential.
The question is, which out of the mentioned cross-platform mobile app development frameworks is the right choice? The straightforward answer: it depends on the business and app’s functional requirements. However, consulting a skilled and experienced cross-platform mobile app development company can help make a well-informed decision.
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