SwiftUI vs UIKit in 2026 — production reality
SwiftUI shipped in 2019. Six years later — still not a full UIKit replacement, but the gap is small enough that new apps default to SwiftUI.
SwiftUI is 6 years old. The community split into "all-in" and "still UIKit". Honest take after shipping production apps in both:
SwiftUI wins:
- Speed of development — 30-40% faster for typical screens
- Built-in animations and transitions
- Live preview while coding
- Cross-platform (iOS/macOS/iPadOS/watchOS) with one codebase
UIKit still wins:
- Complex custom layouts with absolute positioning
- Heavy lists with thousands of items (UICollectionView still beats LazyVStack)
- Fine-grained scroll behavior
- Some API still UIKit-only (advanced text editing, custom cameras)
For new projects in 2026: SwiftUI. Drop into UIKit via UIViewRepresentable for the 5% of screens where it falls short.