AJ WooCommerce Privacy Mode
With this WooCommerce Extension you can set privacy options for users that are not logged in. For example, you can hide products price or customers reviews from users all with a few simply steps.
With the Privacy Mode plugins you can:
Show the products price only to logged in users
Disable the price and the add to cart button on shop page
Enable or Remove the reviews tab for all products with privacy option for not logged in users.
Tested with Wordpress 3.9 and WooCommerce 2.0.20 and 2.1.7