Both MotoPress plugins have drag and drop functionality and are made specially for WordPress. As they were produced for different purposes, this is the single alike feature. Take a look at the key differences between plugins.
Content Editor enables to edit your article and post structure, Layout Editor helps to customize the appearance of your layout.
Content Editor is compatible with any WordPress theme, Layout Editor works only with themes made specially for the plugin.
Content Editor is a commercial product, Layout Editor is absolutely free.