Why Choose Swift for Mobile App Development?
Why Choose Swift for Mobile App Development?

In today’s highly competitive market, the demand for custom-built and user-friendly mobile solutions is at an all-time high. However, both customers and Swift app developers face a common challenge – selecting the right technology stack for custom software development. This challenge is coupled with the need to find the best app developers for hire. Fortunately, Swift, a modern programming language, empowers developers to create feature-rich native apps with exceptional performance and unique designs. In this article, we will delve into the world of custom Swift app development and explore the key advantages it offers for businesses.

Evolution of Swift Development

Before we dive into the benefits of Swift app development, let’s take a brief look at the historic progression of Swift as a programming language:

Swift 1.0 (2014)

  • Fully compatible with Objective-C.
  • Significantly faster, safer, and required less additional code.
  • Introduced new features such as variables, constants, type interfaces, and generic classes.
  • Playground feature allowed real-time code testing and rendering.

Swift 2.0 (Open Source)

  • Enhanced debugging capabilities.
  • Became source-oriented, allowing the use of protocols as interfaces.
  • Introduced extended protocols and specified methods.

Swift 3.0 (2016)

  • Required adding labels to all function parameters.
  • Made code more concise by removing unnecessary words from function names.
  • Simplified importing of C functions by introducing new attributes.

Swift 4.0 (2017)

  • Transformed built-in classes and structures.
  • Introduced migration functionality in Xcode for easy updates.

Swift 5.0 (2019)

  • Incorporated Swift runtime into the Apple operating system.
  • Introduced a stable binary interface on Apple platforms.
  • Ensured backward compatibility.

Swift 5.1 (2019)

  • Extended stable features to compile-time with module stability.
  • Allowed the creation and sharing of binary frameworks for future versions.

Swift 5.5 (2021)

  • Expanded language support for concurrency and asynchronous code.
  • Introduced a unique version of the actor model.

With Swift backed by one of the industry’s leading giants, it has become the dominant choice for iOS native app development. It accelerates development, reduces costs, simplifies code maintenance, and guarantees high-quality code.

The Real Value of Swift for Mobile App Development

Swift app development offers numerous benefits compared to its predecessor, Objective-C. Let’s explore the tangible advantages it provides for businesses:

1. Speeds up the Development Process

  • Simplified syntax and concise language reduce the amount of code required for tasks.
  • Automatic Reference Counting (ARC) efficiently manages memory usage.
  • Lyft, for instance, reduced its codebase threefold by switching to Swift, enabling faster feature implementation.

2. Scalability

  • Swift supports future-proof development, making it easy to implement new features.
  • Simplifies scaling of the development team and onboarding process due to code conciseness.

3. High Performance and Safety

  • Swift is built with the LLVM compiler framework, optimizing code for speed.
  • Strong typing and quick debugging minimize code crashes.
  • Reduced risk of deploying low-quality code.

4. Smaller App Size

  • Swift’s latest version integrates basic libraries, resulting in smaller app sizes.
  • Stable ABI ensures language support across Apple platforms.

5. Efficient Memory Management

  • Automated Reference Counting (ARC) improves memory performance.
  • Swift identifies and deallocates unused instances, reducing memory lag.

6. Front-end and Back-end Integration

  • Swift’s versatility allows code sharing between front-end and back-end development.
  • Accelerates development, reducing overall expenses.

7. Open Source

  • Swift is an open-source language, allowing customization to meet specific business needs.
  • Ensures adaptability and relevance over time.

Choosing Swift app development means embracing modern, safe, and highly interactive technology that remains stable and relevant in the long run.

The Future of App Development: Custom Swift Development

Forward-thinking companies looking to scale and innovate are increasingly opting for dedicated Swift developers. This choice enables the rapid development of powerful and cost-effective iOS solutions. Swift’s simplicity and ease of maintenance make it a favored language among development teams. Its global recognition is underscored by its ranking as the 16th among the top 20 programming languages in the TIOBE Index for July 2021.

At GBKSOFT, our dedicated Swift developers specialize in building fully-featured iOS apps tailored to individual business needs. We guide you through every stage of development, from ideation to deployment. Here’s why you should consider hiring a dedicated Swift developer:

– High Performance and Responsiveness

  • Access to native APIs for seamless integration of features and data exchange with other iOS devices.
  • Streamlined CI/CD solutions for efficient development.

– Eye-catching and Navigable UI

  • Swift enables the creation of visually appealing and user-friendly interfaces.

– Enhanced Security

  • Utilizing Swift’s unique tech stack bolsters app security.

– Swift’s Statically Typed Language

  • Swift’s static typing enables efficient error tracking and debugging in Xcode.

– Clear Code and Rich User Experience

  • Swift development results in clean code and a smooth user experience.

Third-party Tools for Swift App Development

In addition to essential Integrated Development Environments (IDEs), GBKSOFT Swift developers rely on a range of handy tools to streamline the development process:

– Fastlane

  • An open-source automation tool for tasks like generating screenshots, managing provisioning profiles, and releasing applications.

– SwiftLint

  • A code style validation tool that enforces code conventions and maintains codebase purity.

– Sourcery

  • A code generator tool used in Swift development for automatic conversion to Realm object structures.

– Cocoapods

  • A package manager for managing dependencies, enhancing project modularity.

– Jetbrains

  • An alternative IDE to Xcode, facilitating clean code development.

– Figma and Zeplin

  • Utilities for working with pre-designed assets and real-time prototype interaction.

GBKSOFT’s experts primarily use standard Swift libraries, complemented by the following tools to optimize development:

– Alamofire

  • An HTTP network library simplifying API interactions and improving clarity.

– Sdwebimage and Kingfisher

  • Tools for efficient image downloading.

– R.swift

  • A code generator for convenient asset access.

– Lottie

  • A vector clip art tool for seamless animation integration.

– Snapkit

  • Simplifies UI code writing.

Consider employing tools like Postman and Insomnia for Swift application development, enabling interaction with various APIs.


The choice of Swift for mobile app development is a strategic move that can significantly benefit businesses. Swift’s evolution, speed, safety, and versatility make it a top choice for crafting high-quality, user-friendly apps. With the support of dedicated Swift developers and tools like Fastlane, SwiftLint, and more, businesses can streamline their app development processes.

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