iPhone 14 Pro iOS 16.4

This video likely performed well due to its niche appeal to developers interested in Flutter and app development. The clear demonstration of a functional UI element, combined with visible code, provides educational value and showcases practical application of the technology.

The video shows a screen recording of a food delivery app's order review page. The user interacts with the app, adding and removing items from their cart, and observing the subtotal and total price update accordingly. The app appears to be built using Flutter, as indicated by the code visible on the right side of the screen.