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Catalog
Editor’s ChoiceBottom line: Catalog is a focused, single-purpose option and a strong pick if you want a focused reference app.
Pros
- Controls — Buttons, menus, segmented controls, sliders, switches, steppers, text fields, search bars, page controls
- Pickers — Date picker, color picker, font picker, image picker, custom picker view
- SwiftUI — Parallel demos for key SwiftUI components
- Tap any component to see a live demo
- View code snippets and copy them into your project
- Filter by tag: UIKit, Controls, Views, Pickers, SwiftUI
Cons
- Some advanced features may sit behind an in-app purchase.
- As a focused reference app, it skips unrelated extras on purpose.
- Available on iOS only, so it is not a cross-platform pick.