Swift Programming Language: Advantages and Disadvantages in 2023

Reading Time: 5 Minutes

Swift is a strong and contemporary programming language that has grown in popularity since its initial release in 2014. Apple invented it to replace the Objective-C programming language, and it is intended to make it easier for developers to build safer, quicker, and more efficient code for iOS, macOS, and other Apple platforms. In this post, we will look at the benefits and drawbacks of utilizing the Swift programming language.

  1. Syntax and structure of Swift programming language
  2. Disadvantages of Swift
  3. Memory management in Swift
  4. Is Swift still relevant in 2024?
  5. Native development vs. cross-platform development
  6. Why choose native
  7. Why choose cross-platform

Syntax and Structure of Swift Programming Language

Swift is a high-level programming language that was developed by Apple Inc. It was released in 2014 and it has become popular among developers for its simple syntax, modern features, and compatibility with Objective C.

Swift is a multi-paradigm language which means that it supports multiple programming styles, such as object-oriented, procedural, and functional programming. This makes Swift suitable for different types of projects ranging from mobile games to web apps or desktop applications.

The syntax of Swift is very clean and easy to understand because it does not use semicolons at all (unlike C/C++). Also, there are no curly braces required for grouping blocks of code together like in JavaScript or PHP so you can write more compact code without losing readability!

Advantages of Swift Programming Language

Scale Your Staff and Product With Ease

You may create a product that is future-proof with Swift. It may be enhanced with a variety of additional features. You’ll discover that Swift projects scale much more easily. Swift would let you expand your Swift development company or development team by a number of programmers. Onboarding becomes easy because of the clear and straightforward codebase. Swift uses natural Language and is very simple to read.

Compatibility with Objective-C

Swift is designed to work alongside Objective-C, so developers may utilize both languages in the same project. This is advantageous since it allows developers to reuse Objective-C code and libraries in Swift applications and vice versa. This simplifies and lessens the transition from Objective-C to Swift.


Swift is not only a very effective and quick solution, but it also provides great security. Programmers may quickly and easily identify and fix problems with this new approach to coding. As a consequence, the code is clear and readable. Its typing interface reduces the likelihood that errors would go undetected.

Improved Memory Management

Swift provides an automated reference counting (ARC) system that automatically controls memory allocation and deallocation. This eliminates the need for developers to manually manage memory, which may be time-consuming and error-prone. ARC also aids in the reduction of memory leaks and crashes caused by memory-related problems.

Rapid Development

Swift is a clear language with a straightforward syntax that is easy to understand and write in. Moreover, semicolons are not required. International languages and emojis are supported. The management of memory utilization requires a lot of time and effort from developers (There are memory leaks that need to be handled). As a result, iOS app development is made quicker.

Moreover, Swift is a value type for frequently used types like arrays and dictionaries, so there is no concern that it will be updated elsewhere, increasing your development speed.

Swift’s growing popularity has led to an increasing demand for skilled professionals proficient in this language. Businesses seeking to capitalize on the advantages of Swift often find themselves in need of swift developers for hire who can quickly navigate through its intricacies and effectively use its features to develop robust applications. Whether it’s for iOS, macOS, watchOS, or even server-side development, the versatility of Swift makes it an attractive choice for companies aiming to stay ahead in the competitive digital landscape.

Disadvantages of Swift

Cross-Platform Support in Full

Swift may only be used in applications that run on iOS 7 and later. Nevertheless, because of its design, Swift cannot be utilized in legacy applications that employ earlier operating system versions. Yet, fewer than 5% of Apple devices now use iOS 8 or an older version, according to the findings of a recent survey. Cross-platform support that is lacking Swift is compatible with Linux, Windows, and all Apple systems, as we already said.

Limited Third-Party Libraries

Swift is a relatively young programming language that is not as well-known as other high-level programming languages such as Java or Python. This implies that Swift has fewer third-party libraries and frameworks available, which might make development more difficult. But, this is changing as Swift’s popularity grows and more developers and businesses embrace the language.

Issues with the Version Compatibility

Due to frequent language changes in its more recent versions, Swift is prone to version compatibility issues. Consequently, upgrading to a more recent version of Swift might provide serious difficulties, such as the need to fully rewrite the developer’s project’s code. To solve this issue and substantially simplify code transfer from one version to another, Swift developers created the Swift Conversion Tool for XCode.

Memory Management in Swift

Swift is a garbage-collected language. This means that it automatically releases the memory used by objects when they’re no longer needed. This is different from Objective-C, which uses manual memory management to deallocate objects and free up their space in memory.

Swift uses Automatic Reference Counting (ARC) to manage this process–it tracks the number of references an object has and automatically frees up its memory once there are no more references left pointing to it.

Swift is an object-oriented language. This means that all of its code is written in terms of objects–that is, structures that contain data and functions. If you’ve ever worked with Objective-C before, you’ll know that it’s not an object-oriented language; instead, it uses a hybrid approach called “protocols.”

Is Swift Still Relevant In 2024?

Swift’s ability to evolve and improve is one of the reasons it stays relevant. Apple is devoted to enhancing Swift, and new versions of the language with new features, enhancements, and bug fixes are issued on a regular basis. This ensures that Swift developers may continue to create high-quality, efficient, and dependable apps.

Native Development vs Cross-Platform Development

Native apps are built using the programming language, tools and frameworks of a specific operating system. For example, if you’re building an iOS app (like Instagram or the Apple App Store) then you’ll use Swift or Objective-C as your main programming language. If you’re building an Android app (like Facebook or Google Play), then Java is the go-to language for native development.

Cross-platform development refers to the process of building a single codebase that can run across multiple platforms. In order for this to work, you need a tool that allows you to write code in one language and then compile it into something that works on all platforms. There are several options available:

  • React Native – This is an open-source framework created by Facebook and used by Instagram, Airbnb, Walmart and many others. It uses JavaScript as its base language but also allows developers access to native APIs (application programming interfaces) so they can create their own custom controls or user interfaces without having to write separate versions for each platform they want their app on. It’s currently only available for iOS apps but plans are underway for an Android version in 2020.
  • Flutter – Another cross-platform tool from Google which uses Dart as its primary programming language.
  • Unity3D – A game engine developed by Unity Technologies that allows developers access to all necessary tools needed when developing games, including graphics engines such as OpenGL ES 2/3 & Metal

Why Choose Native

  • Performance is better. With native apps, you can access the device hardware and make use of its features. This way you can create a more responsive experience for your users.
  • User experience is better. It’s true that cross-platform tools are improving all the time, but they still have limitations when it comes to user experience because they’re not designed specifically for Apple or Android devices (or whichever platform you’re targeting).
  • Security is often better and maintenance costs can be lower.

Why Choose Cross-Platform

  • Cross-platform development is cost-effective. By writing the code once, you can reuse it across multiple platforms, eliminating the need to hire additional developers or pay for them to create the same app for each platform.
  • Cross-platform development is also scalable. If an app doesn’t work perfectly on one device, it can still function flawlessly on another, making it a flexible solution for businesses.
  • Cross-platform development enables businesses with limited resources to access opportunities that may have been out of reach due to budget constraints. By expanding into new markets, companies can reach potential customers who are still unaware of their brand but are eager consumers nonetheless.


Swift is a sophisticated and contemporary programming language with several benefits for developers. Although there are certain difficulties to adopting Swift, the benefits exceed the negatives. Swift is a language worth considering for your next project, whether you are a newbie or an experienced developer.

I'm Allison Dunn,

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