See Project Progression by Comparing Images
To compare images, navigate to the VIEW page in SiteCloud and click the “Compare” icon.
This feature allows you to compare two images side by side. To do this, click the button then select the two images you would like to compare from the list on the right.
You may change the images you would like to compare by clicking
and then selecting an image from the Captured Images pane on the right. Once you have selected your two images, use the slider on the bottom of the image or the slider on the right side of the image to compare.