CouponFollow Cently - Coupons at Checkout is a browser plugin for Chrome, Firefox, Internet Explorer, and Safari that...

Price Tracker for Amazon - Price Tracker for Amazon is a shopping app that allows you to browse for favorite products from famous online stores know as Amazon for a better price.

Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.

AliPrice - AliExpress Price Tracker app lets you track the price history of any item from many online retailers like AliExpress, Daraz, and Amazon, etc.

Wikibuy - Find lower prices at other sellers while you shop on Amazon

idealo - Idealo is a free to use mobile application that helps you to find products, compare price and make an informed decision.