React is a flexible library focused on building user interfaces with a component-based architecture, while UIKit provides a comprehensive set of UI components for rapid application development with a strong emphasis on design consistency.
React
Pros:
Component-based architecture
Virtual DOM for performance optimization
Rich ecosystem and community support
Wide range of libraries and tools
Reusable components for efficiency
Cons:
Steeper learning curve for beginners
Frequent updates leading to breaking changes
Requires additional libraries for state management