EasyCompare allows users to compare products from Virtuemart. The package contains component, module and plugin. It is compatible with Joomla 2.5 and VirtueMart 2.0. Plugin displays buttons for adding product to EasyCompare component. This needs a small hack to the product detail page and category page. More info at documentation. Module displays products which are added to EasyCompare component so user can see it at every site. Under the list of compared products is link to the EasyCompare component. Component displays comparition of selected products in the table. Compared informations: Poduct image with link to the product detail. Product name with link to the product detail. Product price, width, height, length, width, short description, null description. Products custom fields. At EasyCompare's administration can be set which information should be compared.
Read more https://feeds.joomla.org/~r/JoomlaExtensionsUpdated/~3/gch2BAYYWRg/24402
