iOS 18 contains 6800 binaries, up from 6030 in iOS 17. That's 770 new binaries.

[...]

Unsurprisingly, the number of apps adopting SwiftUI continues to grow this year. Notable mentions include:

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iOS 18 now contains 592 binaries using SwiftUI and the number of binaries containing at least one line of Swift code increased by 50% between iOS 17 and iOS 18[...]

In iOS 16, only 4 apps used the SwiftUI-based app lifecycle, and this number grew to 14 in iOS 17. In iOS 18, 19 apps are now using the SwiftUI-based app lifecycle[...]

Adrian Schönig: