Major Companies Are Massively Switching to Swift in 2025: The Main Trend for iOS/macOS

Major Companies Are Switching to Swift: The Main Trend of 2025 for iOS and macOS

In 2025, the Apple ecosystem development market is experiencing a tectonic shift: more and more large corporations are announcing a full or partial transition to the Swift language. While Swift was once perceived as an alternative to the outdated Objective-C, it is now becoming the non-negotiable standard for creating high-load and secure applications for iOS, iPadOS, and macOS.

According to analysts, over the past 12 months, the number of new projects written in Swift has grown by 40%, and the share of Objective-C code in corporate repositories has dropped to an all-time low of less than 15%. Why are industry giants finally betting on Swift?

Main Reasons for Corporate Migration to Swift

• Code safety and reliability. Swift's static typing and strict memory control help avoid a whole class of vulnerabilities critical for financial, medical, and government applications.
• Performance on par with C. Swift compiles to native code via LLVM, providing a speed increase of up to 2.5 times compared to Objective-C in data processing and machine learning tasks.
• Compatibility with modern frameworks. SwiftUI, Combine, and Swift Concurrency are fully optimized for Swift, while using them with Objective-C requires cumbersome wrappers and reduces efficiency.
• Simplified legacy code maintenance. Large companies like Uber and Airbnb have already completed multi-year migrations, reducing debugging and new release time by 30-50%.

Who Has Already Switched and What Are the Results?

Prominent examples include Google, which rewrote key modules of Google Maps and Gmail in Swift, reducing battery consumption on iOS by 18%. Spotify completely updated its audio engine, achieving stable performance on devices with 4 GB of RAM. Bank of America migrated its mobile banking app, reducing the number of critical bugs by 60% in the first quarter of 2025.

Even companies traditionally far from the Apple ecosystem have started using Swift for server-side development — thanks to the Vapor framework, whose popularity in the enterprise segment has tripled over the past two years.

What Does This Mean for Developers and Businesses?

For developers, the 2025 trend means a sharp increase in demand for Swift specialists. According to LinkedIn, the number of job postings requiring Swift has increased by 70%, and the average salary for an iOS developer proficient in Swift has exceeded $150,000 per year in the US. For businesses, this means a lower TCO (total cost of ownership) due to faster development and fewer production incidents.

Swift is no longer "young and promising" — it has become a mature industrial tool that market leaders are betting on. If your company is still using Objective-C for new projects, 2025 is the last call to make the switch. Otherwise, you risk falling behind competitors forever.

Stay tuned for updates on PythonLib — we will continue to analyze technology trends that are changing the development world.