| Device/Screen | File Name (PNG) | Icon Size (pixels) |
| iPhone and iPod | ||
| Application Icon for iPhone (retina display) | Icon@2x.png | 114 x 114 |
| Application Icon icon for iPhone | Icon.png | 57 x 57 |
| Settings/Spotlight icon for iPhone (retina display) | Icon-Small@2x.png | 58 x 58 |
| Settings/Spotlight icon for iPhone | Icon-Small.png | 29 x 29 |
| Launch image Portrait (retina display) | Default@2x.png | 640 x 960 |
| Launch image Portrait | Default.png | 320 x 480 |
| iPad | ||
| Application Icon for the new iPad (retina display) | Icon-72@2x.png | 144 x 144 |
| Application Icon for the iPad | Icon-72.png | 72 x 72 |
| Settings/Spotlight icon for iPad | Icon-Small-50@2x.png | 100 x 100 |
| Settings/Spotlight icon for iPad | Icon-Small-50.png | 50 x 50 |
| Launch image Portrait (retina display) | Default-Portrait@2x.png | 1536 x 2048 |
| Launch image Portrait | Default-Portrait.png | 768 x 1004 |
| Launch image Landscape (retina display) | Default-Landscape@2x.png | 2048 x 1536 |
| Launch image Landscape | Default-Landscape.png | 1024 x 748 |
| iTunes App Store | ||
| App icon for the App Store (retina display) | iTunesArtwork@2x.png | 1024 x 1024 |
| App icon for the App Store | iTunesArtwork.png | 512 x 512 |
IOS App Icon Size 图标尺寸,布布扣,bubuko.com
原文：http://www.cnblogs.com/nomine/p/3640848.html