rooteerooroo

Creates a shortcode, <code>[woocommerce_rating id="n"]</code>, that displays the rating, in stars, of any WooCommerce product. <code>[woocommerce_rating]</code> will show the star rating of the current product. This plugin requires WooCommerce.

WooCommerce Stars Shortcode

Creates a shortcode that displays the rating, in stars, of any WooCommerce product.

Kemory Grubb

The GoodReviews plugin displays information about a specific title from Goodreads, including reader reviews. This plugin was developed mainly for authors or booksellers who want to showcase Goodreads information about specific titles on their WordPress sites. You must obtain a Goodreads API developer key in order to use this plugin. You can obain an API key by following the instructions at goodreads.com/api. This plugin was developed by a third party who is not affiliated with Goodreads.
Features:
<ul>
<li>Uses a shortcode to display Goodreads reviews and book information for a specific ISBN or Goodreads.com ID in any page or post.</li>
<li>Returns book information in divs and reviews in an iframe that can be styled manually from the shortcode, via custom CSS, or via a built-in responsive style sheet.</li>
<li>Includes three separate widgets that can be used in place of the shortcode.</li>
<li>Supports WordPress localization (i18n)</li>
<li>Uses WordPress 3.8 and later Dashicons to display average ratings.</li>
</ul>

GoodReviews

Display Goodreads.com reviews for ISBNs or IDs you specify on any page or post.

WooCommerce Stars Shortcode vs GoodReviews