Top 5 Programming languages for Mobile App Development

Android, IOS

If you wish to become a mobile app developer in 2021 but uncertain which programs language to select to start your app advancement occupation then you have actually concerned the right location.

I am mosting likely to share the very best programming language to start your app development profession.

As the need for mobile apps growing every passing day, so is the demand for App developers. People with skills in Android as well as iphone application growth are in terrific demand as both large as well as little business are working with application programmers to develop their mobile applications.

To be sincere App Growth has been a financially rewarding occupation for quite time. It started with J2ME and also Nokia days but absolutely grew when Android as well as iphone came.
While there is a lot of programming language, not everybody appropriates for app growth, that’s why it’s important to know about what selections are readily available and also select the very best shows language which can not just aid you to create applications for Android as well as iphone however likewise come to be a more overall application developer.

For aiming app programmers, there are a lot of choices readily available to begin with app growth like you can make use of Java and Kotlin to start with Android growth, or you can use Swift to make iphone apps for both iPhone as well as iPad, or you can make use of a conventional language like JavaScript and React Native to develop cross-platform applications for both Android and iOS.

If you remain in rush as well as just wish to begin today, my idea is to begin with JavaScript as well as React Native, 2 of one of the most preferred tech to learn in 2021.

5 Best Programming Languages for App Development in 2021

Now that, you have basic ideas of the different choices available to you as an app developer, let’s deep dive and find out more about which programming language is best for Mobile app development in 2021

1. JavaScript

Believe it or not, but JavaScript is the #1 language of the web. The rise of frameworks like jQuery, Angular, Vue, Svelte, and React.js has made JavaScript even more popular. Since you just cannot stay away from the web, it’s better to learn JavaScript sooner than later.

Even if you are not using Angular JS or React JS, there are many other libraries, like jQuery, which are based on JavaScript, and it’s also the number one language for client-side validation, which makes it worth learning JavaScript.

The best thing about JavaScript is that it’s a truly full-stack development language, you can create frontend GUI, backend server, and even mobile apps using JavaScript.
React Native, a popular JavaScript framework allows you to develop cross-platform apps for both Android and iOS mobile. I highly recommend you choose JavaScript for its universal appeal and popularity. There are a lot of jobs available for good JavaScript developers.

2. Java

Java is another popular, powerful, and effective programming language with lots of demand for Job and career growth. While Java is primarily a server-side programming language and used for creating robust backend servers you can also use Java programming language for creating Android apps.

There are a lot of benefits to learning Java for beginners who want to become an app developer. You not only can develop Android apps but also become a full stack developer by creating a backend in Java.

Since I am a Java developer, I am a bit biased but based upon my 15 years of Java experience I can say that learning Java was the best decision I took and that’s why I suggest every beginner learn Java even for app development.

3. Swift

If you are thinking about iOS development, like making apps for iPhone and iPad, then you should seriously consider learning Swift in 2021.

It replaces Objective C as the preferred language to develop iOS apps. I love the Swift language because it reminds me of Python and it is also the official programming language for iOS which is enough to learn Swift programming language.

Here are some pros of swift programming language

  • Swift has a great IDE called Xcode which is self-contained and if you include a library it is painless using workspaces.
  • Swift is a type-safe language and it is easy to read, understand, and code in and it catches most of the beginner error at compile time.
  • Swift can be applied to Server work. This is still a new concept and a bit difficult to ramp up on depending on where you work as most companies will have their own framework or be using one of the big ones

While this is all great, but one thing which is worth mentioning is that finding a junior developer job or your first job is hard, like really hard. This is where Java and JavaScirpt really outshine Swift but again it’s not impossible and the swift developers paid well.

4. Kotlin

If you are thinking seriously about Android App development, then Kotlin is the programming language to learn in 2021. It is probably the next big thing happening in the Android world.

Even though Java is my preferred language, Kotlin has got native support, and many IDEs like IntelliJ IDEA and Android Studio is supporting Kotile for Android development.

Here are some pros and cons of learning Kotlin for app development:

  • Clear and concise language with modern features.
  • Allows you to do functional programming with lambdas
  • Typesafe
  • Checked exceptions
  • Good tooling and community support.

While Koltlin is touted as next-generation Java it is not there yet. Compilation Speed is 2x – 3x slower than Java (Incremental compilation is available for IDEA but not yet for Gradle)
The big plus of learning Kotlin is that it’s the official app development language for Android app development and Google will keep promoting it.

5. Dart

Dart is an open-source, object-oriented, general-purpose programming language developed by Google in 2011. Dart uses a ‘C’ style syntax and optionally trans compiles it into JavaScript. It is used for both client-side and server-side web development. Dart is also being used for Native and Cross-platform mobile development.

The most important reason I can think of learning Dart is because of Flutter which makes developing crossing platform apps really easy. If you want to learn Flutter, I suggest you pick Dart Programming language.

Here are some pros and cons of the Dart programming language:


  • Easy to learn when used to C-style syntax
  • Code can be shared across web and mobile apps
  • Super friendly and helpful community


  • Many subs and generic domain packages might need to be written to support the core domain
  • Backend (API/Server) focus currently very low

That’s all about the 5 best programming languages for App development in 2021. You can choose anything you want but if you ask me, I suggest learn Java or JavaScript as both of them are mainstream languages and allows you to develop apps as well. You will not only become a master app developer but also a full-stack developer to command a higher salary.

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