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In regards to the fact that there are already 6.6 billion smartphone users worldwide, the mobile app market is growing rapidly.

Downloads of mobile apps have surged by 60% since 2016! As a result, it is anticipated that mobile apps will bring in more than 613 billion dollars in revenue by 2025.

If you google “app development languages,” you’ll get a ton of results. However, they differ based on the operating system, the kind of program, etc.

Developers who want to write the finest code for apps and clients who want to better understand the complexities of the project process and know which language to select for their app will find it useful to understand the peculiarities of the app development languages.

We’ve compiled the top five programming languages for creating apps in one blog post! So read and pick the best programming language!

Best Programming Language for App Development

Programming languages, which are a set of defined standards for writing code, are used for developing applications for mobile devices, the web, and operating systems. The duties and objectives of the developers, the device’s capabilities, the kind of applications, the operating system, and technical requirements all influence the mobile development language they choose.

A business must use the application to spread its brand recognition and attract more clients. Naturally, it must decide which app language to use while creating a mobile application.

What factors do you consider while deciding on the best programming language for creating apps? We worked on the app’s kind, functioning, benefits and drawbacks. Stay tuned! 



Apple created the programming language Swift as a modern replacement for Objective-C, which was previously used to create iOS apps.

The current version of the language has been created by Apple employees since 2010. It’s interesting to note that the developers of Swift borrowed features from a variety of other languages, including Obj-C, Haskell, Python, C#, and CLU.

Programming for mobile apps uses the compiled language Swift. The program does not execute line by line as a result. It is completely converted into machine code prior to launch using specialized software called a compiler. Thus, programs execute more quickly. The XCode programming environment for macOS includes the Swift compiler.

Where to use:

  • apps for iOS, macOS, Apple Watch, and Apple TV;
  • server apps.

Companies that support Swift:  Apple, Coursera, Facebook, Lyft, and Uber.



Launched in 2017, Google’s Flutter is a free and open-source mobile user interface development kit. A top-notch, user-friendly GUI (graphical user interface) may be created for iOS and Android using the Flutter SDK. Flutter freely participates in ongoing advancements and is regarded by many experts as the greatest language for developing apps. Flutter is one of the Integrated Development Environments used to create software, in contrast to other programming languages. Angular, mBaas, or React js are some of its rivals.)

Flutter and Dart are closely related since Dart provides a uniform method for developing apps for iOS and Android utilizing Flutter. Flutter also makes it possible to create cross-platform applications, making it useful for building Android apps from a single Dart codebase.

Despite being relatively new technologies, Flutter and Dart have already become quite well-liked among experts in mobile app development. You can quickly locate documentation and examples for the numerous libraries and utilities that have been modified for this framework.

Where to use:

  • apps for mobile OS.
  • web apps.
  • cross-platform mobile apps.
  • desktop apps.

Companies that support Flutter: Amazon, Philips Hue, Toyota, and Tizen.



Launched in 2016, Kotlin is completely compatible with Java. In 2019 Google made the announcement that Kotlin would increasingly take precedence in Android development. In terms of benefits over Java, Kotlin’s scalability merits mention. It ranks among the most widely utilized programming languages for mobile devices.

A statically typed programming language is Kotlin. The fundamental unit of a Kotlin program is a function, as opposed to Java, where programs are constructed on classes. This language does, however, also make use of object-oriented programming techniques.

Where to use:

  • mobile apps for Android and iOS, including cross-platform ones;
  • web apps (both the server part and the interface);
  • desktop apps;
  • Big Data processing software.

Companies that support Kotlin: Atlassian, Evernote, and Pinterest.



React Native is a cross-platform open-source framework released by Meta in 2015. This framework works with mobile development platforms using the JavaScript app scripting language. The creation of cross-platform mobile applications is simple with the aid of these frameworks and libraries. Therefore, just one app version, compatible with iOS and Android, needs to be created.

React Native enables developers to take advantage of the strength of the React framework outside of the browser to create apps that have full access to the system APIs of the platform. These platforms include Android, iOS, macOS, Web, Windows, and UWP.

Where to use:

  • applications for Android, Android TV, iOS, macOS, tvOS, and UWP;
  • web and desktop applications.

Companies that support React-Native: Bloomberg, Netflix, Pinterest, and Uber Eats



Without question, Java is a well-recognized industry leader among app languages and has long been referred to as the main Android development language. The main benefit of Java is that, despite having been on the market for 25 years, it is still evolving. To maintain a dominant position in the IT sector, technology is constantly being enhanced.

The language is still in demand today, but back-end development is where it is most frequently utilized. Java is rarely used to create brand-new Android applications, but developers keep using it to support legacy projects.

Where to use:

  • mobile and web apps;
  • desktop GUI apps;
  • gaming apps;
  • Big Data technologies and cloud-based apps;
  • IoT apps.

Companies that support Java: Eclipse, IntelliJ, and Netbeans

Questions to ask when choosing a programming language

When choosing the best language for app development, ask yourself the following questions:

Does the language have proper ecosystem support? Will it work over the long term? Is vendor support available for the language?

Do we need to think about infrastructure, such as new hardware? What type of deployment do we need?

What are the client’s preferences?

Are there any specific requirements for libraries, functions and tools for the programming language?

Can the developer write in the language or do we need to hire new developers? Are they experienced and comfortable with the language, or do they need to learn the language quickly?

What are some important limitations of this project? Time, budget, resources?

What is the performance and is the language suitable for that performance?

What are the security considerations and do we need to use any third-party tools?

The multiple questions above remove the uncertainty of picking a programming language for your project.

Let’s say you have a task that requires a lot of number calculation in programming. In that situation, you need an app coding language that can handle numbers with ease and includes a few libraries for performing sophisticated mathematical operations. The processing of a lot of text is another example. You require a language in this situation whose feature set makes it simple to slice, slice, and search text data.


The details of the target audience, the project’s goals and objectives, and the operating system must all be considered when choosing a programming language for a mobile app. You may choose the best programming language and succeed by doing a thorough examination of all the variables.

Every mobile app developer and those looking to build their own app will find these five mobile development languages useful.

In reality, no one can pick out a single top language for developing apps. The programming language of choice is contingent. Please get in touch with us if you still have questions concerning the best programming language to use when writing apps. Every project we work on aims to produce a good that will satisfy customers and boost sales.

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