Mobile App Development Our Blog April 27, 2025

Driving the iOS Development Landscape: Swift or Objective-C?

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swift or objective c

One of the first choices you’ll have to make when developing an iOS app is which programming language to use. Ever since Apple released Swift in 2014, there has been a controversy called Swift vs Objective C. When starting or growing in iOS development, this decision can have a big impact on your app’s functionality, upkeep, and future expansion. Although each language has advantages, you may choose wisely for your next mobile project by being aware of the subtle differences between the two. 

Swift: A Contemporary Perspective on Why It’s Growing

Swift is a new programming language from Apple that is safer, shorter, and simpler to use than Objective-C. Being statically typed, you catch a lot of problems at build time instead of runtime. Because of its strong performance characteristics and enhanced syntax, Swift has gained popularity quite quickly. Apple’s long-term strategic goal is indicated by the company’s progressive transition of its frameworks and documentation towards Swift.

Swift’s code is very expressive and readable, which is one of its main benefits. It eliminates many of its complicated syntactic rules and makes Objective-C easier for beginners to learn. This leads to improved teamwork, quicker development cycles, and lower development expenses. 

Consider Lyft as an example. The ridesharing firm switched to Swift for its iOS codebase to increase app stability and facilitate new developer onboarding. They thereby sped up their release cycles and decreased app crashes. This demonstrates how bigger companies are releasing Swift’s benefits in practical situations.

Goal-C: The Veteran Continues to Hold Firm

Objective-C is still an essential component of Apple’s ecosystem, even with Swift’s increasing dominance. Apple still supports Objective-C, which is still used to create a lot of vintage iOS apps. It could be more sensible to continue with Objective-C if your application makes extensive use of outdated libraries or frameworks. 

In iOS programming, Objective-C provides established stability, maturity, and a solid track record. Teams that need low-level runtime control that Swift doesn’t always provide or that have established Objective-C infrastructures are especially fond of it. For instance, due to strict security guidelines and long-term maintenance agreements, older enterprise programs in sectors like banking and healthcare frequently employ Objective-C.

IBM’s enterprise-grade iOS apps are a prime example. Because of its demonstrated compatibility with Apple’s previous systems and the requirement for the highest level of control over code execution, these apps were initially created in Objective-C and are still utilised today. 

Syntax, Safety, and Speed: What Counts Most?

When assessing “Objective C or Swift,” you must consider more than just popularity. Swift’s more recent compiler and runtime optimisations usually result in faster performance than Objective-C. Performance was a priority in its design, and Apple keeps improving its features with every iOS update.

However, Objective-C still gives developers more direct control over memory management and objects, which could be helpful in some situations where they want to optimise efficiency. However, Swift’s automatic memory management helps minimise human error, while Objective-C’s manual memory management paradigm may create more flaws if not managed appropriately. 

Swift is intrinsically safer from a security perspective because of its robust type system and error-handling capabilities. Swift provides a more dependable framework for companies looking to deliver secure applications, particularly in fintech or e-commerce. Fintech companies like Revolut are using Swift to develop their mobile apps because of this shift towards safety.

Making Your iOS Project Future-Proof

Selecting Swift is a long-term investment. Apple’s dedication to making Swift the mainstay of their development ecosystem is evident in its frequent upgrades and tooling enhancements. Thanks to this forward momentum, Swift will continue to be influential and potent for many years. 

Nonetheless, Objective-C can still be the best option for teams with Objective-C codebases or who work closely with C or C++ libraries. Many developers take a hybrid approach in these situations, keeping older pieces in Objective-C and adopting Swift for new components.

Netflix is a prime example. Its old systems continue to operate in Objective-C to preserve continuity and lower migration risks, even though Swift is used for newer features and modules. In addition to allowing for innovation, this fusion of the ancient and the modern guarantees stability. 

Making the Final Decision

The decision between Objective-C or Swift ultimately boils down to your project’s requirements. Swift is your best option when starting from scratch if you desire quick development, future scalability, and a more seamless onboarding process. On the other hand, Objective-C is still useful if you’re maintaining an older system or require compatibility with earlier Apple APIs.

The complexities of iOS development are something we at Avancera Solution are familiar with. Whether you prefer Objective-C for system-level access or Swift for a contemporary app experience, our staff can assist you in efficiently developing and growing your application. Contact Avancera Solution right now to learn how we can help you transform your IOS app concept into a product ready for the market.

 

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FAQs

Is Objective-C slower than Swift?

Yes, modern compiler optimisations make Swift speedier overall. It performs jobs more quickly, particularly in high-performance applications like gaming or real-time data analysis.

Is it possible to combine Objective-C and Swift in a single project?

Of course. Thanks to Apple’s compatibility between the two languages, developers can utilise both Swift and Objective-C in a single project, which is perfect for incremental transitions.

Does iOS developers still use Objective-C?

Indeed, enterprise systems and legacy applications continue to make extensive use of Objective-C. It is still a good choice when compatibility with older systems is essential, and Apple supports it.

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