So you want to make pixel-perfect icons for iPhone and iPad, but can’t get it just right? Here’s my own personal icon template that makes designing and previewing icons a breeze. Click the preview to download the organized and layered Photoshop file.
The template also includes layers for creating iPad document icons. Be sure to read Apple’s documentation for a clear explanation of how icons are to be formatted and used in apps: iOS Human Interface Guidelines: Custom Icon and Image Creation Guidelines