What are some alternatives?
When comparing CouponNDeal and Cartercoupons.com, you can also consider the following products
RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.
Slickdeals.net - Slickdeals: The Best Deals, Coupons & Discounts on everything
Dealspotr - Dealspotr is like Wikipedia for deals.
CouponSwift.com - Coupon codes and deals for Domain Names, Web Hosting, VPN, WordPress Themes and software.
Glug Club - Curated offers to help your agency and career grow for free