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Are you aspiring to become a mobile app developer in 2023? Then, to make sure you become a successful developer, you must hold excellent skills in programming languages. There are many programming languages that are used in app development. 

But a developer must possess good skills in the top languages which are highly preferred by the developer community and used in popular frameworks. So do you know what those languages are? If not, then in this blog post, we will tell the best 5 programming languages for mobile app development in 2023. 

Top 5 Programming Languages for Developers in 2023

Every programming language comes with distinctive capabilities and features. Whether you aspire to become an Android or iOS developer, you must have good coding skills and proficiency in using one of the popular programming languages to ensure success in the industry. So let’s know what are those languages you shouldn’t miss learning in the upcoming year. 

1. JavaScript

JavaScript is the top programming language in the industry. Whether it is web or mobile, JavaScript is used in all kinds of development solutions. It is a high-level programming language that is among the core technologies of the entire web. Initially, JavaScript was launched for developing web browsers. 

But later, developers use JavaScript for creating server-side websites and non-web browser applications also. In mobile app development, JavaScript is the most used language. React Native, Ionic, Sencha Touch, Mobile Angular UI, Apache Cordova, JQuery, Ember.JS, all these famous frameworks run on JavaScript coding for app development. 

Top mobile app development companies also look for developers who possess good skills and knowledge of this language since it is common among various frameworks. Hence, developers must learn this language to start their careers as mobile app developers in the upcoming year.

Key highlights

  • Level: Beginner to Intermediate
  • Skills required: HTML and CSS 
  • Platform: desktop, mobile, web

2. Java

Java doesn’t need any introduction. It is the oldest programming language that has been running for many years. Java is one of the most widely used languages in web, software, and mobile app development. It is a general-purpose programming language. 

Its object-oriented model makes it a highly compatible language for multiple platforms like Android, iOS, Mac, Windows, etc. Java is renowned for its great portability across different platforms. Its capability to write once and run anywhere (WORA) helps developers create web and other applications efficiently along with other technologies. 

Android Studio, which is a native app development framework, uses Java as its coding language. Companies that want to build dedicated apps for Android users specifically choose the native app approach. That is why they hire Android app developers who hold expert skills in using Android native development resources. So if you are planning to become an Android developer with native development approach, then Java is essential to learn. 

Key highlights

  • Level: Intermediate
  • Skills required: Problem-solving, knowledge of the object-oriented structure
  • Platform: Web, Mobile, Desktop

3. Swift

Swift is a very important programming language to learn for iOS app development. Prior to Swift, Apple was using Objective-C as its preferred language to create iOS apps. But with the introduction of Swift, this language got prominent in iOS app development due to its enhanced coding structure. 

Swift is an open-source programming language that is quite easy to learn and requires fewer coding skills. Swift offers great support for developers to create apps for iPhones, iPad, and other Apple devices. It comes with Xcode IDE which is easy to implement. So if you want to become a native iOS developer then you must learn this language. 

Key highlights

  • Level: Beginner to intermediate
  • Skills required: No prior experience
  • Platform: Apple iOS devices only 

4. Kotlin

If your vision is solely focused on the Android app development field, then Kotlin is also one of the best programming languages to learn in 2023. Kotlin is a general-purpose programming language released by JetBrains in 2011. 

However, its first version was officially launched in 2016. Kotlin offers extensive support for creating all kinds of apps. Its cross-platform coding capability allows developers to write code for mobile, desktop, web, and server-side application development.  

Kotlin was built as a better alternative to Java. It is interoperable with Java and other functional programming languages. Android Studio has also included Kotlin as its preferred language for creating Android mobile apps. Many branded companies have used this language for their Android app development projects. 

Key highlights

  • Level: Intermediate to advanced
  • Skills required: Prior experience with Java
  • Platform: Web, Mobile, Desktop, Server

5. Dart

Dart is Google’s newly launched programming language which is used in Flutter development. It is a general-purpose, open-source, and object-oriented language. Developers use it for both serve-side and client-side web development. At present, cross-platform app development is evolving significantly and rapidly. 

Businesses mostly prefer cross-platform mobile apps since it helps them save significant time and cost in app development. Google’s Flutter is a popular cross-platform app development framework in the industry. Mobile app development companies and developers widely use this framework to create mobile apps for Android, iOS, and other mobile platforms. 

And since this framework uses Dart as its programming language. Hence, Dart stands out as one of the best programming languages for app development in the next year due to growing demand for flutter development solutions. 

Key highlights

  • Level: Intermediate to advanced 
  • Skills required: Prior experience with JavaScript
  • Platform: Web, Mobile, Desktop, Server


The mobile app development industry is growing at a fast pace. As businesses are adopting mobile apps in their business solutions, the demand for more efficient and powerful apps is increasing too. This increased demand has created the need for skilled developers in the industry. 

Businesses also prefer to hire mobile app developers who hold proficient app development skills. And since the above programming languages are highly used in most app development solutions, learning these languages matters a lot for upcoming developers.

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