To create reviews about products on your site, WP Review Pro is useful. One can rank higher in search engines, show rich snippets in google, different kind of rating systems, comment and visitor rating and many more.
All this can be done by making a few changes to the settings of the plugin.
The typical feature of this plugin is that it will display the author, visitor, comment ratings given to a post in the search results.
The meta data for Schema also can be set here. So it is good for both appearance and SEO purpose also.
As visitors see your post ratings, they are more inclined to buy your products.