一般icon以下几个：
Icon.png – 57×57 iPhone (ios5/6)
[email protected] – 114×114 iPhone Retina (ios5/6)
Icon-72.png – 72×72 iPad (ios5/6)
[email protected] - 144×144 iPad Retina (ios5/6)
[email protected] - 120x120 iphone & ipod touch (ios7/8)
[email protected] - 180x180 iphone6 plus (ios8)
Icon-76.png - 76x76 ipad2 & ipad mini (ios7/8)
[email protected] - 152x152 ipad retina (ios7/8)
以下不区分iPhone或者iPad。可见，在iOS6.1以及之前的iOS版本中，iPad的和iPhone使用者完全区别的图标。但是iOS7以及以后，两者不再有区分。
Image Size (px) | File Name | Used For | App Store | Ad Hoc |
|---|---|---|---|---|
512x512 | iTunesArtwork | App list in iTunes | Do not include | Optional but recommended |
1024x1024 | iTunesArtwork@2x | App list in iTunes for devices with retina display | Do not include | Optional but recommended |
120x120 | Home screen on iPhone/iPod Touch with retina display | Required | Required | |
76x76 | Icon-76.png | Home screen on iPad | Required | Required |
152x152 | Home screen on iPad with retina display | Optional but recommended | Optional but recommended | |
40x40 | Icon-Small-40.png | Spotlight | Optional but recommended | Optional but recommended |
80x80 | Spotlight on devices with retina display | Optional but recommended | Optional but recommended | |
29x29 | Icon-Small.png | Settings | Recommended if you have a Settings bundle, optional otherwise | Recommended if you have a Settings bundle, optional otherwise |
58x58 | Settings on devices with retina display | Recommended if you have a Settings bundle, optional otherwise | Recommended if you have a Settings bundle, optional otherwise |
Image Size (px) | File Name | Used For | App Store | Ad Hoc |
|---|---|---|---|---|
57x57 | Icon.png | Home screen on iPhone/iPod touch (iOS 6.1 and earlier) | Required | Required |
114x114 | Home screen on iPhone/iPod Touch with retina display (iOS 6.1 and earlier) | Optional but recommended | Optional but recommended | |
72x72 | Icon-72.png | Home screen on iPad (iOS 6.1 and earlier) | Required | Required |
144x144 | Home screen on iPad with retina display (iOS 6.1 and earlier) | Optional but recommended | Optional but recommended | |
29x29 | Icon-Small.png | Spotlight on iPhone/iPod Touch (iOS 6.1 and earlier) and Settings | Recommended if you have a Settings bundle, otherwise optional but recommended | Recommended if you have a Settings bundle, otherwise optional but recommended |
58x58 | Spotlight on iPhone/iPod Touch with retina display (iOS 6.1 and earlier) and Settings on devices with retina display | Recommended if you have a Settings bundle, otherwise optional but recommended | Recommended if you have a Settings bundle, otherwise optional but recommended | |
50x50 | Icon-Small-50.png | Spotlight on iPad (iOS 6.1 and earlier) | Optional but recommended | Optional but recommended |
100x100 | Spotlight on iPad with retina display (iOS 6.1 and earlier) | Optional but recommended | Optional but recommended |