A recent research study shows more than 1.1 billion iOS users worldwide, and the number is still growing in this rapidly expanding market. With the rise in user size, there has been exponential growth in iOS app development. Many people prefer iOS over Android, so the best option can not be said. It requires in-depth knowledge of the app development process to deliver feature-rich and optimized applications for various Apple devices.
Apple users are popularly known for their brand loyalty. Compared to other brands, Apple has a high customer satisfaction and retention ratio, and brand value boosts around the world every year. Apple has strict policies and guidelines for approving any new app on the Apple Store. Sometimes, it becomes easier for developers to understand the reason for rejection when they have not learned about the application approval process. However, programmers still prefer iOS app development services due to the popularity and earning potential of iOS platforms.
For smooth development and deployment of the solution, it is essential to perform certified courses and certifications for an uninterrupted development and deployment cycle. Different experts and training institutions offer various courses to provide value in addition to web and app development knowledge. Additionally, these courses are divided based on the level of expertise of developers, such as beginners, intermediate, or experts. These courses can be effectively done through online and offline sources based on the availability of developers.
Table of Contents
What is the iOS Programming Language?
iOS development is the process of designing and developing software applications specifically for Apple’s iOS operating system for iPhones, iPads, and iPod Touch devices. Developers use programming languages like Swift or Objective-C, along with Apple’s development tools like Xcode IDE and frameworks like UIKit and SwiftUI, to design, code, test, and deploy iOS apps. iOS development encompasses a wide range of tasks, including user interface design, data management, networking, and performance optimization.
An iOS programming language is the diverse set of programming languages used to create optimized applications for Apple devices like iPads, iPhones, Apple TVs, MacBooks, and iWatches. The most widely used programming languages for iOS app development services are Swift and Objective C. iOS developers can utilize both languages simultaneously in the same project because it provides a smooth transition.
Top Programming Languages for iOS App Development
Even though Apple’s App Store supports publishing millions of apps yearly for the iOS platform, their creation is not easy. There are specific checklists, language selections, and guidelines that the iOS developer has to follow to get started. So now, we will unleash the top programming languages for iOS development.
1. Swift Programming Language
Swift is a popular programming language widely used to create iOS, macOS, iPad, and Apple TV solutions. Swift syntax is comparatively simple and easy to understand. It seamlessly integrates the most advanced and modern features into the solution, ensuring uninterrupted performance. It helps to create high-performing and secure solutions. The high-tech LLVM compiler technology converts the Swift codes into machine code that can be utilized to create feature-rich solutions.
MNCs like LinkedIn, Airbnb, and Lyft utilized Swift to create optimized iOS applications.
Pros of Swift Programming Language
- It is easy to learn and use language.
- It uses automatic reference counting (ARC) to remove instances that are not in use.
- It helps in detecting programming errors at ease
- It is scalable and helps in optimizing business performance
- It enhances the development process
- Built-in safety features to prevent errors
- It ensures Minimal memory storage
Cons of Swift Programming Language
- They have limited community support compared to other popular programming languages, such as C#, C++, Java, and Python.
- Swift can not be used in legacy applications
- It is a modern language with a limited talent pool
- Unfavorable interoperability with third-party components and tools
Swift is a compiled programming language and runs faster than interpreted programming languages. This includes popular choices like JavaScript and Python. According to a recent study by Apple, Swift is 2.6 times quicker than Objective-C and 8.4 times faster than Python.
Courses and Certifications for Swift
Meta iOS Developer Course
It is a beginner-friendly certification course that takes 3-6 months to earn the certificate. Through this course, a developer can learn various skills from the base, which makes them easily create an iOS solution.
Skillsets learned by this course are:
Basics of Application Development, Swift Programming, Web Development, Mobile Development, Computer Programming, iOS Development, Tools of Mobile Development, Software Engineering, User Experience, User Experience Design, Data Structures, Computer Programming Tools, Software Engineering Tools, Front-End Web Development
Developing Fundamentals in Swift
This course is specially designed for beginners and offered by various experts online, which helps a learner to understand the basic fundamentals of Swift programming languages that are utilized to create a feature-rich app. The duration of this course is 1-3 months to earn a valid certification.
Skillsets learned by this course are:
Understanding Swift Programming, Data Structures, Mobile Development, And the basics of iOS Development, Computer Programming, Web Development, and Application Development.
Create eye-catchy User Interface with SwiftUI
This course provides a basic understanding of how to create UI with Swift without any hurdles. Developers can learn and sharpen their design skills through this course to create feature-rich and optimized solutions. This is a beginner-friendly course that is short and lasts 1-4 weeks.
Skillsets learned by this course are:
Swift Programming, Mobile Development Tools, Mobile Development, Understanding SwiftUI tools, iOS Development, Application Development
iOS App Development with Swift
This course is designed for intermediates with basic knowledge of the Swift programming language. After completing this course, a developer can easily understand the concepts to create the required components for the application development process. This course is usually completed in 3-6 months based on the knowledge of the developer.
Skillsets learned by this course are:
iOS Development, Mobile Development, Computer Programming, tools of Mobile Development, Swift Programming, Application Development, Programming Principles
Swift 5 iOS Application Developer
In addition to Swift 4.2, the standard library in Swift 5 contains numerous new capabilities that assist Swift programmers in managing their libraries more effectively. Some of the major ones are listed below: String literals now work better with Raw Text. SIMD and Result vector types are now included in the Swift 5 standard library. This course is beginner-friendly and takes 3-6 months to earn a certificate.
Skillsets learned by this course are:
iOS Development, Swift Programming, Programming Principles, Mobile Development, tools of Mobile Development, Computer Programming Tools, Computer Programming, Software Engineering, Computational Logic, Application Development, User Experience Design.
Advanced Programming in Swift
This course is specially designed to sharpen the skills needed to develop a solution with Swift. Developers can easily find this course from different online training platforms. The duration of this course is 1-2 months with certificate.
Skillsets learned by this course are:
Advanced Swift Programming, Computer Programming, Mobile Development, Data Structures, iOS Development, Application Development
Objective-C Programming Language
Objective C is an object-oriented programming language developed explicitly by Apple. It provides advanced features in the solution. Swift is rapidly expanding as the iOS programming language, but its legacy codes are seamlessly written in Objective C.
Pros of Objective C
- Detailed documentation for developers is available
- A vast number of third-party libraries and frameworks are available
- Easily compatible with legacy Apple operating systems
- Adequate community support for developers
Cons of Objective C
- Losing its popularity
- Not easy to learn due to its complex syntax
- Inherited security hurdles from C
- Requires to maintain two code files for header and solution implementation files
Best Courses to Polish and learn Objective C
Objective C Crash Course
This course provides a detailed guide and everything a developer needs to know about Objective-C to use it to the fullest by ensuring high-tech features. Industry professionals on online platforms can conduct this course. This certified course comes with approx 50-60 lectures that are easy to understand for intermediates.
Learn iOS app development and Xcode 10 Course with Swift & Objective-C.
This is a single course that helps a learner understand the basic concepts and advanced features of Swift and Objective C. It helps create a solution using iOS-optimized languages without any hurdles. This is a certified course that comes with around 275-285 lectures.
Cross-Platform Programming Language Utilized for iOS App Development Solutions
Cross-platform programming simply means creating software that can be implemented and used on multiple operating systems and platforms. A cross-platform application provides a seamless user experience and optimized performance across different platforms.
There are several cross-platform development frameworks and languages, but we will discuss the widely utilized cross-platform programming frameworks and languages:
Flutter Programming Language
Google launched Flutter in 2017. It is a widely used programming language for building web, mobile, and desktop applications with a single codebase. It also helps developers create applications for Android, iOS, and other platforms applications. Developers are required to use Dart, a Google programming language, to create feature-rich solutions.
Examples of Mobile apps: Google Pay, eBay, ByteDance apps, and Alibaba.
Key Features:
- Flutter’s hot reload functionality helps developers see how their application changes as they make changes to their code without compiling the latest implemented changes.
- Web browser technology is not a must when using Flutter. Drawing widgets use a separate rendering engine.
- Most of the developers utilize Flutter, and it has an active global user community. Stack Overflow Trends indicate that Flutter usage has been moving upward over time.
- Google Material Design is supported by Flutter, which is a design system that aids developers in creating digital experiences. When developing your app, you have access to a variety of behavioral and graphic widgets.
React Native Programming Language
React Native is an open-source framework developed by Facebook (Meta) in 2015. It provides prebuilt UI components that help developers save time creating standard functionalities and features from scratch. React Native is based on the Javascript library and helps developers build native, cross-platform apps.
Programming language: JavaScript.
Examples of Mobile apps: React Native is used in Microsoft’s Office, Xbox Game Pass, Skype, Facebook, Oculus, and desktop Messenger.
Key Features:
- The Quick Refresh functionality allows developers to examine changes to their React components immediately.
- React primitives convert to native platform UI components, allowing you to create a personalized and responsive user experience.
- React Native’s interaction with the mobile app debugger Flipper is enabled by default in versions 0.62 and beyond. Flipper debugs Android, iOS, and React native apps and includes features such as a log viewer, an interactive layout inspector, and a network inspector.
- React Native has a vast and active developer community that shares technical expertise.
Kotlin Multiplatform Programming Language
Kotlin multiplatform (KMP) is an open-source programming language created by JetBrains that allows developers to use a single codebase without losing native features and functionalities. Kotlin allows developers to reuse code and write native code to integrate the Kotlin codebase into any project. Developers can reuse Kotlin’s coding structure to migrate any solution, which is a hurdle when using any other technology.
Programming language: Kotlin.
Examples of Mobile apps: Netflix, 9GAG, Forbes, Philips, McDonald’s, Cash App
Key Features:
- Developers can easily reuse code across Android, iOS, web, desktop, and server-side platforms while maintaining native code as needed.
- Kotlin Multiplatform integrates effortlessly into any project. Developers may take use of platform-specific APIs while also using native and cross-platform development.
- It is cost-effective due to its standard library functions
- It has clean and easy-to-understand syntax
- It provides developers with complete code-sharing freedom and the ability to share logic and UI.
Ionic Programming Language
Ionic is an open-source, cross-platform framework that comes with a pre-built UI toolkit. It assists developers in creating high-performing solutions with a single codebase by leveraging different web technologies like HTML, JavaScript, and CSS. It uses Angular as the base to create optimized solutions. Developers should not be required to learn any new programming language to create a solution if they are experts in Angular. Ionic app development services ensure native-like performance by ensuring user-friendliness for different platforms.
Programming language: JavaScript.
Mobile app examples: EA Games, BBC (Education apps) and T-Mobile.
Key Features:
- Ionic provides prebuilt UI components with standard features that can be utilized to create applications for multiple platforms with a single coding structure.
- Ionic uses Apache Cordova and capacitor plugins to provide extensive access to built-in features like a flashlight, camera, GPS, and audio recorder.
- Ionic command-line interface is the most essential tool for building Ionic apps.
Types of Courses for iOS Application Development
Knowledge of Programming Language:
Objective C and Swift are the advanced programming languages to perform smooth iOS app development activities. It is essential to complete the courses or certifications in Swift or Objective C offered by various online training platforms like Apple’s Swift Playgrounds, Udacity, Coursera, and others.
iOS App Development:
Courses or certifications mainly focus on iOS app development and cover topics required to create optimized solutions, such as UIKit, SwiftUI, Core Data, and other iOS tools and frameworks. Platforms like Udacity, Coursera, LinkedIn Learning, and others offer such courses.
Apple Developer Certification:
Although it is not mandatory to become an Apple Certified Developer. This course demonstrates proficiency in designing and developing applications and web solutions for Apple platforms. You can earn this certification by passing a test offered by Apple.
Xcode IDE:
Familiarize yourself with Xcode, which is Apple’s integrated development environment (IDE), which was created specially for macOS. Udemy, Pluralsight, Lynda, and many others offer extensive courses on Xcode development.
UIKit and SwiftUI:
A UIKit is a traditional framework and tool for building intrinsic and user-friendly iOS apps. At the same time, SwiftUI is a newer framework and tool used to create UI for iOS web app solutions. Certifications or courses focusing on these frameworks can be beneficial for iOS app development.
iOS App Design:
Understanding the fundamental principles of iOS app design and user experience (UX) can significantly enhance the quality of your apps. For that reason, platforms like Coursera or Interaction Design Foundation offer specialized courses on UI/UX design to enhance the skills of developers and designers of iOS applications.
Best Certifications and Courses for Smooth iOS Development
Various courses and certifications are available online to create feature-rich solutions for different iOS devices. We have compiled the most important aspects and courses from which an iOS developer can gain knowledge and enhance his or her skillset to create optimized solutions.
ARKit Course:
Apple developed ARKit, a framework for creating augmented reality (AR) experiences on iOS devices. It provides extensive tools and APIs for developers to integrate virtual components into the real world through the essential components of devices like cameras, sensors, and motion processing capabilities. With the ARKit course, developers can build immersive AR apps that overlay digital objects into the physical surroundings of users. This enables interactive experiences like gaming, visualization, and education.
SwiftUI Detailed Course:
Apple introduced SwiftUI, a modern UI framework for building user interfaces across all Apple platforms using Swift code. It helps developers create eye-catching and interactive UIs by using simple and intuitive syntax. With SwiftUI, developers can learn about designing layouts, handling user input, and responding to changes more efficiently as compared to traditional UI frameworks like UIKit. SwiftUI offers features like automatic layout adaptation, live previews, and seamless integration with other Swift code.
App Development:
Application development refers to the process of creating software applications for mobile devices, desktop computers, or other platforms. In the context of iOS, app development focuses explicitly on creating applications for Apple’s iOS ecosystem, including iPhones, iPads, and other iOS-based devices. Custom App development services involve various stages, including design, development, testing, deployment, and maintenance. After this course, developers use different programming languages and frameworks tailored to build high-quality and feature-rich apps that meet the needs of users and businesses.
Mobile App Development:
Mobile app development is the broader field of creating applications designed to run on mobile devices. It encompasses development courses for different mobile platforms, including iOS, Android, and others. Mobile app development involves understanding the unique characteristics of mobile devices, such as limited screen space, touch-based interaction, and varying hardware capabilities. Developers use specialized tools and frameworks to create mobile apps that deliver a seamless and engaging user experience across different devices and platforms.
MVVM (Model-View-ViewModel):
MVVM is a software architectural pattern commonly used in iOS development to structure and organize code in a way that separates concerns and promotes maintainability and testability. MVVM stands for Model-View-ViewModel, where:
- The model represents the data and business logic of the application.
- View represents the user interface elements displayed to the user.
- ViewModel acts as an intermediary between the Model and the View, handling data transformations, business logic, and interaction with the user interface.
- MVVM facilitates a clear separation of concerns, making it easier to manage and update the codebase, write unit tests, and collaborate with other developers.
Firebase:
Firebase is a comprehensive platform developed by Google to build mobile and web applications. It offers a wide range of services, including authentication, real-time databases, cloud messaging, hosting, analytics, and more. Firebase services are designed to be scalable, reliable, and easy to use, allowing developers to focus on building high-quality apps without worrying about managing infrastructure. After completing the Firebase course, developers can quickly add features like user authentication and data storage, and push notifications to their apps, accelerating the development process and improving user engagement.
Xcode:
Xcode is Apple’s integrated development environment (IDE), which is used to develop apps for iOS, macOS, watchOS, and tvOS platforms. It provides a suite of coding, debugging, and testing tools, including a source code editor, graphical interface builder, and performance analysis tools. Xcode also includes simulators for testing apps on different Apple devices and comprehensive documentation and resources for iOS developers. With its rich set of features and tight integration with Apple’s ecosystem, the Xcode course provides an in-depth understanding of this primary tool used by iOS developers for app development.
Conclusion
In this modern world, staying updated with changing trends in iOS programming is essential. A developer should be required to be open to learning to create a user-friendly app that ensures optimized performance. We have compiled essential aspects on which developers can enhance their knowledge to design and develop high-tech iOS solutions compatible with various screen sizes. These courses can also provide an understanding of terms of use and policies for submitting new solutions to the Apple Store easily.
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