What are the correct image sizes in pixels?
Image Sizes:
1536 x 2048 - Custom Background (If you're going to be using banners, leave the top third of your background as empty space, since the banner will cover over the top portion of the background.)
1024 x 448 - Custom Banner/Header
512 x 512 - Custom Icon
1280 x 1468 - Slider Portrait
1468 x 1280 - Slider Landscape
Any High Resolution Files - Directories (images must be square) & Books
App Icon (must be PNG format):
1024 x 1024
Splash Loading Screens (must be PNG format):
1536 x 2048 - Portrait (Vertical)
2048 x 1536 - Landscape (Horizontal)
For best results on a majority of screen sizes, we recommend focusing your content within the middle section. The image below shows what will be cropped off on various Apple devices.