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By: Manish Shewaramani

Why iPhone App Developers Prefer Swift for iPhone App Development?

Apple has introduced the first version of Swift during the Worldwide Developers Conference (WWDC) 2014. The objective behind the launch of this programming language was to make iOS app development faster and easier for programmers. Since then, the iPhone app developers prefer Swift to develop and deliver robust apps within the timeline and in a highly cost-effective way using the latest versions of the programming language.

Swift is a more sophisticated, safe, and modern technology compared to Objective C. Objective C is a comparatively older and highly used C language by iPhone app developers for a pretty long time. Swift provides high-level interactivity to build iPhone apps.

Here are seven reasons that prove Swift is really an advanced and simple programming language that allows programmers to build highly dynamic iPhone apps quickly.

Top 7 Reasons Why iPhone App Developers Prefer Swift

1. Advanced Programming Language

To meet the needs of modern iPhone apps, Apple has come up with Swift. It is an open-source programming language that improves the performance of applications with its advanced debugger, compilers, and framework infrastructure. The technology allows iPhone app developers to write code faster using simple syntax.

Apple has simplified memory management through Automatic Reference Counting (ARC). Programmers can use Cocoa and Foundation as a solid base of the app development framework.

Swift can be easily intermixed with Objective C by supporting the collection, modules, blocks, and literals of old technology. It reduces the friction between both the programming languages and allows iPhone app developers to switch on the go and gradually rather than replacing the entire code base.

2. Easy to Learn

While using Objective C and C languages, the beginners have to develop the app and run it in a specific programming environment. iPhone app developers need to import a separate library to develop functionality like string handling, input/output, etc. for a simple test of code each time.

Apple has reduced this process with the Playground feature that allows developers to experiment code in Xcode directly. They can see the results instantly without performing any extra activity.

3. Easy to Adopt

Swift holds a greater level of interoperability with Objective C so that the iPhone app developers can start creating applications using the Swift code, features, and functionality. Swift code can easily work with objective C files in the same project. Also, it allows developers to have complete access to the Objective C API.

It is a compact and light programming language that provides better readability and simplicity with less coding. Additionally, the technology is error-prone and prevents programmers from making mistakes. It removes the classes of unsafe code.

4. Simple to Code

Swift has a very simple coding and syntax pattern. The programming language doesn’t contain semicolon and other symbols at the end of each scripting. Thus, developers can run the code swiftly.
Moreover, Apple has developed advanced compilers for Swift. It makes iPhone app development easy to code and more object-oriented in nature by allowing to complete the complex tasks at a time using simple code.

5. Easier Maintenance

Objective C has not been evolving with the changing demand as it cannot evolve without the evolution of the C programming language. iPhone app developers need to maintain the two while they are planning to build an app using Objective C.

With Swift, programmers can use Xcode and LLVM compilers that perform the incremental build automatically by identifying dependencies within the code. The programming language combines the table of content (the header file) along with the body (implementation file). Thus, there is no requirements for creating two separate files.

As a result, programmers need to spend less time for bookkeeping as Swift eliminates boilerplate code and invest more time in creating the app logic.

6. Supports Dynamic Libraries

Dynamic libraries are the chunks of code that can be linked to iPhone apps. Actually, dynamic libraries are external elements but included in the app and available to the users when they download the app from the Apple Store.

Earlier, the iOS platform was not supporting the dynamic libraries even though they were available for Mac. Swift allows programmers to add dynamic libraries in iPhone apps and link the app against the latest version of the programming language. Using and linking the external code, Swift reduce the size of the apps.

7. Cost Viability

To build iPhone apps, programmers have to select from Objective C or Swift. They charge around 100,000 USD for Objective C based iPhone app development. On the other hand, for Swift based iPhone app development, developers charge around 95000 UDS. For large scale organizations, 5000 USD is not a large difference but for startups, it is a very crucial amount. Thus, compared to C based programming languages, Swift is an affordable technology.


Definitely, Swift is a promising technology for iPhone app development and has been evolving continuously to address the dynamic requirements of the iOS platform. Apple keeps updating the essential features of the technology such as expressive and cleaner syntax, easy of readability and writing, shorter development lifecycle, compatibility with different iOS devices, and more to build next-generation apps for startups and large scale organizations.

Credencys iPhone App Developers Prefer Swift to Build iPhone Apps

Credencys holds more than a decade long experience in developing iPhone apps for startups to large scale enterprises. Having exposure to working with Fortune 500 companies, we have an in-depth understanding of what the organizations are looking for while hiring iOS app developers.

Our iPhone app developers keep an eye on the latest tools and technologies launched by Apple and use them to build futuristic iPhone apps for the organizations. We keep updating our technical knowledge to meet the dynamic demands of the tech world.

Moreover, we have proven expertise to enable the clients with the competitive iPhone solution that helps them in not just generating better ROI but also delivering extremely fantastic customer value. Are you planning to migrate your legacy iPhone app on Swift or build a new application using the advanced programming language? Let’s connect to build amazing business solutions.

Frequently Asked Questions

Do iPhone apps have to be written in Swift?

To create the graphical interface of the iPhone apps, you can use Xcode. While developing features and functionality of iPhone apps you need to write the code using Swift. The programming language is only available on Mac OS so make sure you have a running OS X.

What apps are coded in Swift?

Almost all the big brands have developed and upgraded their iPhones apps using the Swift programming language such as Lyft, LinkedIn, VSCO cam, and more. Even the brands prefer the latest version of Swift to build the latest version of their app.

Is Swift the future?

Swift introduced by Apple as a programming language in WWDC 2014. Since that time, Swift is considered as a sophisticated, modern and secure programming language that allows iPhone app developers to build highly interactive iPhone apps.

Is Swift a good language?

Swift is the highly preferred programming languaged by iPhone app developers. It provides the faster performance along with improved readability and preventing errors. Swift allows developers to build the apps 2.6× faster than Objective-C.

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