When it comes to iOS app development, developers have a choice between two prominent programming languages: Objective-C and Swift. Both languages have their merits and are widely used in industry. In this blog post, we will compare Objective-C and Swift, exploring their strengths, differences, and factors to consider when choosing between the two. 


Objective-C has been the primary language for iOS development for many years. It is a superset of the C programming language and adds object-oriented capabilities. Objective-C uses a syntax heavily influenced by Smalltalk and has a dynamic runtime, allowing for flexibility and dynamic method dispatch. 


Swift was introduced by Apple in 2014 as a modern and safer language for iOS app development. It was designed to be more concise, readable, and error-prone than Objective-C. Swift brings together the best features from various programming languages and incorporates modern concepts. 

Language Comparison:  

Syntax and Readability: Swift offers a more modern and concise syntax compared to the sometimes verbose and complex nature of Objective-C. Swift’s syntax is closer to English, making it easier to read and understand. 

Performance: Objective-C, being a mature language, has a well-optimised runtime that offers excellent performance. However, Swift has evolved to match and even exceed the performance of Objective-C in many cases, thanks to its advanced compiler and optimisation techniques. 

Safety and Error Handling: Swift provides several features that enhance safety and reduce the chance of common programming errors. Optionals, strong type checking, and automatic memory management improve code stability and reduce crashes. Objective-C requires manual memory management and is more prone to runtime errors. 

Interoperability: Objective-C and Swift are interoperable, allowing developers to use both languages within the same project. This provides flexibility, especially when working with existing Objective-C codebases or third-party libraries. 

Choosing the Right Language The choice between Objective-C and Swift depends on various factors: 

Legacy Code: If you have a significant amount of existing Objective-C code, it might make sense to stick with Objective-C to maintain compatibility and avoid rewriting large portions of code. 

Development Speed: Swift’s modern syntax, strong safety features, and powerful libraries make it easier and faster to develop new iOS apps. It offers a shorter learning curve, particularly for developers familiar with other modern programming languages. 

Community and Support: Both Objective-C and Swift have strong communities, but Swift has gained popularity quickly since its release. Swift benefits from continuous updates, extensive documentation, and a growing ecosystem of libraries and tools. 

InfoRox is an iOS app development company based in Birmingham that offers comprehensive app development services. With expertise in various programming languages, including Objective-C and Swift, we cater to diverse client needs. Objective-C and Swift are both powerful languages for iOS development, each with its unique strengths and characteristics. Objective-C, with its long-standing history, is suitable for maintaining legacy codebases. Swift provides modern syntax, safety features, and enhanced development speed. Choosing between the two depends on your project requirements, the existing codebase, and the preferences and skill sets of your development team. At InfoRox, we have skilled professionals proficient in both languages, allowing us to adapt to your specific needs. We have successfully developed numerous iOS applications for clients across the UK, including Coventry, Wolverhampton, Sutton Coldfield, and Solihull. If you’re looking for reliable iOS app development services, contact us today to discuss your project and turn your ideas into reality.