Swift vs Objective-C - Which Programming Language Is Better for iOS App Development?

January 10, 2022

If you're stepping into the world of iOS app development, choosing the right programming language can be a daunting task. With the availability of two top-notch languages such as Swift and Objective-C, choosing the best one poses a significant challenge for developers. The question that often baffles developers is which programming language is better for iOS app development - Swift or Objective-C?

In this blog post, we'll give you a factual and unbiased comparison of both languages to help you make a more informed decision.

Swift vs Objective-C: Introduction

Before we dive into the comparison, let's understand the basics of each language.

Objective-C

Objective-C is a compiled programming language, initially developed in the 1980s. It was the primary language used for building iOS apps before the introduction of Swift. It's an object-oriented language that employs dynamic runtime.

Swift

Swift, on the other hand, is a modern, powerful, and fast programming language introduced by Apple in 2014. It is designed to work with Apple's Cocoa and Cocoa Touch frameworks and is faster than Objective-C.

Now that we've got the introduction out of the way, let's dive into the comparison between Swift and Objective-C.

Speed and Performance

When it comes to speed and performance, Swift outperforms Objective-C. Many developers have reported that Swift is almost 2.6 times faster than Objective-C. This means that apps built with Swift open faster, run quicker, and respond better.

Safety

One of the major advantages of Swift is that it is much safer than Objective-C. Swift was designed with utmost security in mind, and it shows. The syntax of Swift is constructed in such a way that it eliminates a lot of mistakes and potential hazards. This results in fewer bugs, crashes, and other errors.

Syntax

The syntax of Swift is more concise, clear, and easy to use when compared to the older and more verbose Objective-C. It makes the code more readable and easier to maintain.

Popularity

Objective-C was the primary language used for iOS app development for close to three decades, and it has a vast developer community. However, since the introduction of Swift, it has become increasingly popular, and the number of developers using Swift has grown rapidly. According to the TIOBE Index, Swift is now one of the top ten most popular programming languages.

Compatibility

Objective-C is compatible with all the previous iOS versions. On the other hand, if you're developing a project with Swift, you will require iOS 7 and above.

Learning Curve

Objective-C has a steep learning curve, and it may take several months before you can get the hang of it. Swift, on the other hand, has a much shorter learning curve, and you can start building iOS apps with it much faster.

Conclusion

Both Swift and Objective-C are excellent programming languages for iOS app development. However, Swift has several significant advantages over Objective-C, including increased speed and performance, better safety, easier syntax, and a shorter learning curve.

However, that doesn't mean you should abandon Objective-C entirely. In some cases, Objective-C may still be the best option.

Ultimately, the choice between Swift and Objective-C will depend on your experience, the complexity of the project, and your personal preferences.

References

  1. Apple. (2022). Swift - Apple Developer. Available at: https://developer.apple.com/swift/
  2. Apple. (2022). Objective-C - Apple Developer. Available at: https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/ProgrammingWithObjectiveC/Introduction/Introduction.html
  3. TIOBE. (2021). TIOBE Index | TIOBE - The Software Quality Company. Available at: https://www.tiobe.com/tiobe-index/

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