Yaroslav Bogutsky

VKontakte products is a showcase with goods and services in your VKontakte group. You add products with photos, prices and detailed descriptions on the website, and they are published in the VKontakte catalog, expanding the audience of buyers through users of this social network.

VkCommerce

The plugin publishes photos and descriptions of products from your online store to the storefront in a VKontakte group.

The plugin adds a wide range of VKontakte functionality to your site. 
The following feature are currently supported:
<ul>
<li>comments</li>
<li>like button</li>
<li>share button</li>
<li>group widget</li>
<li>poll widget</li>
<li>recommendations widget</li>
</ul>

VKontakte

The plugin adds a wide range of VKontakte functionality to your site.

VkCommerce vs VKontakte