Free Gift Product Magento Extension - Good or bad?

Hi Guys,

I have a magento ecommerce website and looking to improve sales and conversion. I just come to know about a magento extension at magento connect, named as Free Gift Product extesion (that is not actually free) that extension gives you the flexibility to add a list of gift products and the cart total amount required to be added as gift.

So, I just want to check if anybody have used this before then please advice me if it really help. below ids the URL for the extension-

http://www.magentocommerce.com/magen...product-1.html

Magento Free Gift - Free Gift Extension by Cmsideas- $39

Magento Free Gift is an useful extension. With this new extension, beautiful free gift banner will attract customers to promotion product pages. And free or discount products will be automatically appear when customers add promotion products to cart. It is possible that these little surprising free promotion little gifts will encourage customers to return to your store, as a result, your sales go up.
Details: http://cmsideas.net/magento-free-gift.html
Attachment 1740
DEMO | Magento Free Gift | Magento Package

Note: In our Monthly Event 2, you can buy Magento Banner Smart with ONLY $9- Save $30 at regular price. Create and manage banner easily.(ONLY From 6/4 to 6/5). Details event: http://blog.cmsideas.net/magento-free-monthly-2/