iBooks Author: Optimize books made with iBooks Author for iPad or Mac with Retina displays

Learn about differences in optimizing the media content of your iBooks Author books for an iPad or Mac, with or without a Retina display.


Feature iPad or Mac with Retina display iPad or Mac without Retina display
Interactive Image widgets Use images that are 4096 pixels wide Use images that are no more than 2048 pixels wide
All other images Use images that are 2048 pixels wide Use images that are no more than 1024 pixels wide
Keynote Widget Set slide size to 2048 by 1536 in your Keynote presentation Use the default slide size of 1024 by 768 in your Keynote presentation
3D Models Use up to 50,000 moderately textured polygons Use up to 20,000 moderately textured polygons

Learn how to optimize performance in your iBooks Author books with all device display types.

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