Figma provides some community templates you can copy to get access to prebuilt UI controls or other navigational elements. Here are a few that seemed to be useful.
These templates provide placeholder style elements to get a feel for the general layout for content on your application.
These templates provide UI elements that look similar to those from iOS 15 and 16
These templates provide UI look and feel like Google’s Material UI system.
These templates provide controls with some basic interaction for clicking style controls (option buttons, checkboxes, etc.), but not text entry as that is not well supported by Figma.
These template provide controls for different kinds of navigation controls/menus.
Kits with a variety of controls and UI elements