It is easier because SwiftUI was designed to layout your interface using defaults . A paradigm that is akin to getting into a car with an automatic gearbox. UIKit, conversely, is like having a stick shift. It is easier, too, because Apple has worked hard to unify the syntax of many frameworks within SwiftUI.
Read moreIs UIKit better than bootstrap?
Conclusion. Uikit and Bootstrap, both are good for their own purposes . Uikit provides a variety of animations, being not found in Bootstrap. Whereas, Bootstrap being the most popular framework have huge community support which is lacking in UIkit.
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