Stars Rating (stars-rating) free WordPress plugin

A simple and easy to use plugin that turns post, pages and custom post types comments into reviews.

Its main features are as follows:

• Turns post, pages and custom post types comments into reviews.
• Allows you to choose post types on which you want to enable Stars Rating feature.
• An option to require rating selection to leave a review.
• Also, allows you to enable/disable stars rating feature for the posts and pages individually.
• An option to display stars rating in Google search results.
• Choose from two different rating stars styles according to your site look.
• Offers a shortcode [stars_rating_avg] to display average rating anywhere in the post/page