Paribus - Find out for free if online stores owe you a refund!
Amazon - Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & much more
ShadowBid - iOS App - A simple iOS app to automate saving money on Amazon
Alibaba.com B2B Trade App - Alibaba.com B2B Trade App is a leading wholesale online mobile marketplace for global trade.
Slice Watch - Get an email when an item you've added drops in price 💸
Joom - Joom is a free shopping app available on Android and iOS devices.