According to Internet Retailer, you can increase ecommerce conversion rate by 14-76% by adding product reviews to your online store.
Furthermore, Jupiter Research found that 77% of consumers read reviews before purchasing online. Adding product reviews field to your product pages is easy. Each one of the apps below will give your Shopify store the ability to collect and display customer product reviews. You can read more about their pricing and features by checking out their detailed pages in the Shopify App Store.
Grapevine Reviews
Free for 7 Days, $10 / MonthGrapevine Reviews is an easy to use Shopify App that allows you to add product reviews to your online store. Special features include: customizable color and style to match your store, translation support, email notification, auto or manually publish new reviews, CSV export, and a beautiful user admin that lets you view and manage all pending and submitted reviews. Here is how Grapevine Reviews will look on your Shopify store:
Yotpo
FreeYotpo will put customer review fields on all of your product pages, but this app takes it to the next level by fully integrating social sharing. Yotpo is fully integrated with the most popular social media sites, so after a customer writes a review on one of your products, they will be prompted to sign in via Facebook, Twitter, LinkedIn, or Foursquare. The review is then automatically published to their social accounts which increases word of mouth advertising and establishes a social graph of your customers. Yotpo offers all the basic product review features, plus social integration, and some powerful analytics tools. Here's how Yotpo will look on your product page, using Shopify store The Loop Loft as an example:

Cinch7 Reviews
$9.99 / MonthCinch7 Reviews will give you professional product review fields on your Shopify product pages. It's extremely easy to install - all you need to do is cut and paste a tiny bit of code into the back end of your store. Features of Cinch7 include: one click approval, email notification of pending reviews, easy CSV export, and a clean user interface. Here is how Cinch7 Reviews will look on your Shopify product page, using Shopify store Tweed & Country as an example:

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