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Major Companies Are Switching to Swift (iOS/macOS): The Main Trend of 2025
2025 has been marked by a tectonic shift in the world of mobile and desktop development. More and more large corporations, previously relying on Objective-C, Kotlin Multiplatform, or even hybrid frameworks, are officially announcing the full or partial migration of their products to Swift. The language created by Apple in 2014 is finally reaching the maturity required for corporate giants.
Why Swift?
Experts highlight three key reasons that made Swift the #1 language for big business in 2025:
- Performance and Safety: Modern versions of Swift (6.x and higher) provide up to 40% faster code execution compared to Objective-C, while strong typing and automatic memory management (ARC) virtually eliminate memory leaks.
- SwiftUI and Unification: The SwiftUI framework has finally caught up with UIKit in terms of functionality, allowing you to write a single codebase for iOS, macOS, watchOS, and visionOS. This reduces the time to develop new features by 30-50%.
- Open Source and Ecosystem: Thanks to an active community and support for server-side solutions (Vapor, Hummingbird), Swift has transformed from a language for applications into a full-fledged platform for backend services, which is critical for companies with a microservice architecture.
Who Has Already Switched?
In the first half of 2025, several iconic companies announced migrations:
- Instagram (Meta): Rewrote the core of its recommendation feed in Swift. According to internal data, this reduced content loading time by 22% and decreased battery consumption on older iPhones.
- Spotify: Completely abandoned React Native in favor of native Swift for its iOS version. The app now runs smoother on devices with iOS 17+.
- IBM and Cisco: Major enterprise software vendors announced that new versions of their client applications for macOS will be written exclusively in Swift, rather than Java.
What Does This Mean for Developers?
The job market is reacting instantly. According to job portals (March 2025), demand for Swift developers has increased by 65% compared to the same period in 2024. The average salary for an iOS/macOS developer proficient in SwiftUI and modern async/await patterns in the USA has exceeded $160,000 per year.
Swift vs. Others: A Brief Summary
- Swift vs Objective-C: Swift wins in development speed and safety. Objective-C remains only for legacy support.
- Swift vs Kotlin Multiplatform: For products tied exclusively to the Apple ecosystem (iCloud, Metal, HealthKit), Swift becomes the only choice.
- Swift vs Flutter: Native Swift applications still provide better performance in games and AR applications.
Looking Ahead
Gartner analysts predict that by the end of 2026, more than 70% of new applications for iOS and macOS will be written in Swift. The language is ceasing to be a young experimental one — it is becoming the de facto standard for the entire Apple ecosystem. If you haven't started learning Swift yet, 2025 is the perfect time to jump on this trend.
Stay tuned for updates
