Here are concept app UI components based on iOS 7 visual guidelines. All elements are completely editable vector shapes, included in a single, well-organized PSD file.

Name: iOS 7 UI Kit Components
Homepage: graphicburger
License: Creative Commons Attribution 3.0
File Type: PSD
The PSD file extension is used for PhotoShop Designated file – native Adobe Photoshop graphic file formats that takes up less memory than uncompressed TIF files. Saves masks, layers, clipping paths, a channels with the graphic. Not a recognized import file for all programs. PSD is commercial file format