BP Star Ratings displays a user defined amount of star ratings in your posts,pages archives & other sections. It provides exciting new features, effects and animations such as fueling of stars. 
Additionally, BP Star Ratings supports Google Rich Snippets. Now the ratings will be indexed in google search 🙂 
Additionally, it inludes a widget which shows top rated posts right on your sidebar as well. You’ll be glad to know that it can also be filtered by category. 
Last but not least, BP Star Ratings also has custom template tag/function available 
BP Star Ratings offers you an enhanced settings page where you can adjust literally anything you may need to.
<h3>Features</h3>
<ul>
<li>You’re free to select where you want to show the ratings such as the homepage, archives, posts, pages etc.</li>
<li>You can just press a button in your editor to display the ratings manually in your posts or pages. No more typing a shortcode 🙂</li>
<li>It supports Google rich snippets so the ratings will be shown in google search results 🙂</li>
<li>Irritated that you have over thousands of ratings on a single page? Worry not, all will be fetched in a single request.</li>
<li>Revamped the entire frontend js</li>
<li>You can view the ratings column on your admin posts/pages screen, so you can parse through the statistics with far more comfort.</li>
<li>We restrict votings to per unique ip.</li>
<li>You have the option to choose placement: top left, top right, bottom left or bottom right.</li>
<li>You can easily adjust frequent messages and strings.</li>
<li>We offer the exciting option to enable/disable non registered user vote.</li>
<li>You can comfortably attach tooltips when mouse is hovered while rating with colors.</li>
<li>There’s the option to change the amount of stars anytime you want (Default is 5).</li>
<li>You can easily control stars size.</li>
<li>Lastly, you can reset the ratings for individual posts or the entire site.</li>
<li>Avaiable widget option.</li>
<li>Can use ShortCode as well : [bpstarratings]</li>
<li>Manually you can show BP Star Rating, use: </li>
</ul>

BP Star Ratings

BP Star Ratings allows blog visitors to actively get involve and interact more dynamically with your website by rating posts according to their liking …

Collins Agbonghama

Kamal Khan

kk Star Ratings is a widely used star rating plugin for wordpress. Here are some highlighted features:
<ul>
<li>
User defined amount of star ratings (5 as default) in your posts, pages and publicly accesible custom post types.
</li>
<li>
Structured data supporting google rich snippets showing the star ratings in search results which has the potential to drive more traffic to your website.
</li>
<li>
Widespread coverage of custom hooks.
</li>
<li>
Full control via options page. You can,
<ul>
<li>
Enable or disable globally.
</li>
<li>
Disable star ratings in posts that belong to certain categories.
</li>
<li>
Choose where to show the star ratings. It can be on the homepage, in archives, in posts, in pages and/or in custom post types.
</li>
<li>
Control the structured data schema and type.
</li>
<li>
Restrict votings per unique ip.
</li>
<li>
Allow voting in archives.
</li>
<li>
Allow guests to vote.
</li>
<li>
Customize position within the post content.
</li>
<li>
Adjust the amount of stars.
</li>
</ul>
</li>
<li>
And much more…
</li>
</ul>

kk Star Ratings – Rate Post & Collect User Feedbacks

Last good version seems to be 4.2. In version 5 some things seems to be missing (left out in favor of PRO version) and if you show stars inside table those tables columns are not sortable any more.

Went bad over time

kk Star Ratings allows blog visitors to involve and interact more effectively with your website by rating posts.

BP Star Ratings vs kk Star Ratings – Rate Post & Collect User Feedbacks