michaelgrover

For bloggers who want to post items that are for sale in their blogs, Paypal Cart is the solution that provides a quick and easy way to create a Purchase button only on specific posts. Unlike other plugins, Paypal Cart is very simple to use and does one thing and one thing only.
For each post that a blogger wants to append with the Paypal Cart, a simple metabox is provided that includes the item price, a shipping and handling charge (optional) and an inventory (number of items available). When the inventory is “1” of more, the Paypal Cart box appears in the post along with a purchase link that takes a user into the Paypal commerce system.
The Settings interface is where the blogger sets their Paypal email address, determines which of 16 different currencies they accept. They can also optionally modify the css associated with the box to make the WP Cart for Paypal fit their style.
When an item is sold, the blogger enters “Sold” or “Sold Out” in the inventory box and the item is displayed as Sold and the Purchase button is no longer visible.
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PayPal Cart by Human80

The purpose of the Paypal Cart plugin is to provide you with a quick and easy way to add a Purchase function to individual posts.

Anthony Hortin

Simple Catalog for WooCommerce turns your WooCommerce store into a simple online catalog site.
WooCommerce is a fantastic eCommerce plugin, but sometimes you might only want to showcase your products rather than sell them. This plugin allows you to use the power of WooCommerce to manage all your products whilst hiding the eCommerce functionality like the Add to Cart Buttons, Prices, Ratings and the Cart & Checkout pages from your customers.
Later on, when you decide you’re ready to sell your products online, simply disable this plugin and all your WooCommerce functionality will return.
Simple Catalog for WooCommerce allows you to:
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Hide the Add to Cart button
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Hide the Product Price
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Display a message to your customers when hiding the Product Price along with adding a link to one of your pages
</li>
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Hide the Product Ratings
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Hide the Product Reviews tab
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Hide the Cart page
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Hide the Checkout page
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You’re able to hide the above WooCommerce features from all users or just hide them from users who haven’t logged in.
For use with WooCommerce 2.6 and above.

Simple Catalog for WooCommerce

Turn your WooCommerce store into a simple online catalog or alternatively, only allow store access to customers once they're logged in.

PayPal Cart by Human80 vs Simple Catalog for WooCommerce