Kotlin Vs Flutter-Which Technology will Rule in 2021

Kotlin Vs Flutter Technology

Mobile applications have affected our lives tremendously by all means. They have become an integral part of our modern lives, as they help us accomplish a majority of our day-to-day tasks.

Speaking of our routine lives, a maximum number of times, we use our mobile phones to meet our daily tasks such as paying bills, ordering food, shopping, etc. Emerging technologies gave rise to the development of various mobile applications.

When we talk about technologies, Kotlin and Flutter are extensively used for mobile app development. Moreover, cross-platform apps are on the rise of gaining momentum. It is because they are accessible from multiple platforms.

Flutter is a framework, while Kotlin is a programming language. Both these play a vital role in mobile app development.

Let us take a look at their key features, pros, and cons to know their difference.

What is Flutter?

Flutter is a cross-platform, free-to-use, and open-source UI toolkit introduced by Google in 2015. It allows building assembled mobile and desktop applications with Dart programming languages. Moreover, it enables you to have rapid mobile app development.

Flutter allows you to develop the app with one programming language and a single codebase. With its rising popularity, this technology serves exceptional native experiences.

Features of Flutter

Open-Source

We learned above that Flutter, along with Dart, is a free-to-use programming language. Thus, it allows developers to examine the queries related to post-development stages and documentation in the developer’s forum. Also, it allows you to learn and implement the code.

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Excellent Performance just like Native Apps

Application performance holds a significant position for UX. With Flutter, you do not have to compromise with application performance. It will stand out from any native application. 

Moreover, the Flutter app can excellently run even in complex UI animation situations. It is since you can develop it directly into the machine code. As a result, it eliminates the dependency on any performance bugs and intermediate code representation. Also, it enables you to compile and release your application on time rapidly.

Hot-Reload

With Flutter, you get a wide range of features, one, of which is Hot-Reload. It allows you to view the reflected changes alongside fixing creating the UI, fixing errors, and adding a specific feature. All these you can perform without running the application from the beginning.

As a result, developers and designers can ensure if the changes done to the application are perfect.

Support for Google Firebase

The feature of Firebase integration allows developers to add backend services to the development setting.

Same UI & Business Login for all Platforms

Mostly, cross-platform frameworks allow you to share the codebase within the destined platforms. But none of them allows sharing the same User Interface and business login. With Flutter, you can very much share the same UI and business login on all target platforms.

It is because Flutter has a single codebase structure, which allows rapid development. Moreover, it does require any platform-specific UI element to render its User Interface. Thus, it helps save time without compromising the performance of the end product.

Suitable for Building MVPs and App Prototypes

With Flutter, you can develop iOS as well as Android applications simultaneously. As a result, it saves effort, cost, and time. It has become an ideal choice for MVP development and building prototypes. They can be used in several projects like charities and fundraising.

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Cons of Flutter

Continuously Changing

One of the drawbacks of Flutter is that along with Dart it keeps changing. Hence, developers find it hard to maintain the code in the longer run.

Immature Framework

Flutter has recently gained momentum in the mobile app development world. Therefore, it is not yet stable. Hence, developers face certain difficulties while building applications. Moreover, it also lacks some advanced features that support operating systems.

Flutter Apps are Heavy to Start

Flutter applications occupy too much space on the device, which makes its loading time longer. Moreover, it also takes longer to update or download the app than usual.

What is Kotlin?

Kotlin is a cross-platform programming language that offers open-source features. It is also considered a general-purpose language. It runs on JVM and is used wherever Java is used. Therefore, it is called a statistically typed language.

With Kotlin, you can build server-side apps, Android applications, and much more. It is evolving as a highly adopted technology. JetBrains developed Kotlin and released it in 2010 with a small project. The first official launch of Kotlin occurred in February 2016.

Kotlin offers a feature known as Kotlin Multiplatform that you can compile with the JVM bytecode, LLVM code, and JavaScript. Moreover, the scope of a Kotlin is unlimited.

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Features of Kotlin

Smart Cast

Kotlin clearly categorizes absolute values and submits the value in its safe cast automatically.

Null Safety

Kotlin offers the feature of null safety. It aims at removing the NullPointerException from the code. Interoperable.

Concise

Kotlin is said to be a concise language because it enables developers to reduce writing extra codes.

Adaptability & Flexibility

With Kotlin, designers can effectively upgrade the developed application without the need for a virtual machine. As a result, developers consider Kotlin an ideal choice for reserving flexibility and scalability in the future. 

Reuse of Logic

Platforms such as Xamarin, React Native, and others require separate User Interface and enterprise logic. However, this is not the case with Kotlin. You can have the privilege of shared logic and libraries within the UI layers. Therefore, developers can increase their efficiency to work on the local factors like JS for XCode for iOS, Android Studio, Swift, and the internet.

Simple Language

One of the biggest benefits of Kotlin is that it has a simple syntax, which makes it an easy-to-understand language. It is quite similar to languages like Groovy, Java, Scala, and Swift.

Interoperable

With the feature of ‘Interoperable’, a developer can easily call the Java code. Moreover, Kotlin also uses Java code. Thus, they both are interoperable.

Cons of Kotlin

Compilation Speed

Kotlin functions faster than Java, especially when doing incremental builds. However, Java will always remain unparalleled when it comes to clean development.

Limited Resources to Learn

With the increasing popularity and use, the number of developers moving to Kotlin has increased. However, the developer’s communities still remain limited in the matter of learning the language or solving issues during the development process.

The limited resources of Koltin has made a lot of developers hold back from learning this language and becoming experts. 

Still Not Java

It is true that Kotlin and Java are quite similar, but at the core, they are completely different languages when it comes to coding. Therefore, developers find it hard to navigate from one language to another unless they are well versed with the Kotlin language.

Fewer Kotlin Developers

Kotlin has gained immense popularity in recent years. However, the number of Kotlin professionals is very limited. It is because they require in-depth knowledge about the language, which is difficult due to limited resources. Therefore, it becomes hard to find experienced Kotlin developers.

Kotlin Vs Flutter- which one is the best for Android App Development

Speaking about Flutter and Kotlin, both are considered reliable when it comes to native and cross-platform mobile app development. They both aim at reducing the time and cost involved in the application development along with enhancing the app performance.

Google supports both of these platforms which ensures that they will dominate the tech market in the coming years. The observation says that Flutter performs a little better than Kotlin. However, choosing the platform also depends on your project and technology requirements.

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When to use Kotlin?

When you plan to revamp your existing mobile application, Kotlin becomes a preferred programming language. Additionally, it is completely compatible with Java and streamlines the editing process of the app effectively.

Moreover, with Kotlin you can easily write highly sophisticated and heavy codes. It is because it has a compiler that efficiently detects bugs automatically and also resolves them immediately.

When to use Flutter?

The Hot-Reload feature of Flutter has made it unparalleled popular. It enables a developer to instantly check the changes made to the source code.

When you plan to create an MVP prototype or product for displaying it to your potential investors, Flutter comes as an ideal choice.

Summing up

As we discussed above, both Flutter and Kotlin have their pros and cons. They both have peculiar features, which make them stand out when compared to other programming languages. 

Moreover, in recent years they have gained momentum and are expected to rule the mobile app development year in the coming years.

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