The release of SwiftUI has sparked various opinions about the future of UIKit. Some argue that SwiftUI will dominate completely, while others believe UIKit will remain relevant for a long time due to its stability and maturity. Do you think SwiftUI should now be the primary choice, or do UIKit’s advantages still hold the upper hand? Is the mobile development world heading toward a coexistence of the two, or will it move forward with just one option?
SwiftUI vs. UIKit: Which One is the Future?
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I think the answer to this debate depends on the project, bro. Last year, while developing an e‑commerce app, I tried both and each had its pros and cons. When I first switched to SwiftUI, I really felt the hype: rapid prototyping, live preview—those things are genuinely appealing. Especially when building the UI, having the preview update instantly as you code made collaborating with designers a lot easier. But once we pushed it to production, bugs started showing up, and for custom animations we had to fall back to UIKit because SwiftUI still falls short in some cases.
For a more stable project, I once leaned toward UIKit, and I can’t say it was a disaster. In large‑scale apps, UIKit’s mature infrastructure, easier debugging, and community support were incredible. SwiftUI’s future is bright, but I tend to use both together in big projects. Instead of treating UIKit as legacy, I think the smartest move is to leverage the strengths of both. The mobile world seems to be moving toward a partnership rather than a single option—SwiftUI will be chosen for new projects, while UIKit will continue to hold its ground with stability.
What about the reports of Xcode 15’s stability decline that Apple announced at last year’s WWDC, and the serious shift in direction regarding SwiftUI’s performance problems in large projects? While SwiftUI is still wrestling with systematic bugs—like sudden back‑stack corruption in NavigationView or unexpected refreshes in List/ScrollView—who’s going to guarantee that the ecosystem, which has been stable with UIKit for years, will stay compatible with future OS updates? Honestly, in my view SwiftUI is still not mature enough for “core” iOS features (Combine, Core Data, SwiftData, etc.).
Also, even though SwiftUI seems more “ready” than UIKit when it comes to multi‑screen support (iPadOS, macOS), do big teams (think Adobe or Microsoft) actually prefer SwiftUI? I think even they are hesitant to abandon the safety net UIKit provides and fully switch to SwiftUI. The predictable solutions UIKit offers for edge cases like accessibility and localization still show that SwiftUI isn’t stable yet.