Invisible Hand

InvisibleHand discreetly notifies you if the product or flight you’re shopping for is available more cheaply from another retailer or travel site.

Free Mac OS X Windows Linux Chrome Firefox Safari Internet Explorer

PriceReel

Your one stop shopping source. Compare and shop the best prices online with PriceReel, an online product shopping search engine. Also, talk to other members in the forum, share coupons, review our blogs and more.

Free Web

Keepa

Price history charts and the option to be alerted on price drops for all Amazon sites.

Free Android Web Chrome Firefox Safari Opera Microsoft Edge

Shoptimate

Shoptimate.com lets you compares prices of multiple items at once and shows you which item to buy where to save the most. Including shipping costs.

Free Mac OS X Windows Linux Chrome SeaMonkey Safari Opera Internet Explorer

Prisync

Prisync is a competitor price tracking software for e-commerce companies of all sizes from all around the world. It helps companies to automatically track their competitor prices and adjust their own prices vs.

Commercial Web Shopify

Unit Genius

The world's first price per unit comparison engine for household and personal essentials.

Free Web

Price Snoop

When viewing a product on Amazon, Price Snoop will show you just how much it costs on the other Amazon stores and allow you to navigate between them with a single click.

Free Mac OS X Windows Linux Chrome

Shopping.com

Shopping.

Free Web

PriceGrabber

Get the lowest prices on computers, electronics, furniture, cameras, clothes and more. Online shopping, compare prices and find the best deal with PriceGrabber.com

Free Android iPhone iPad Web

Bustaprice

Bustaprice is a search engine for comparing prices of products listed across the web. It always shows you the lowest price regardless of what you're searching for.

Free Web

RedFlagDeals

RedFlagDeals.com is a leading provider of online promotions and shopping tools to Canadians that attracts more than 2.5 million monthly readers. The site provides thousands of deals and coupons across 14 categories.

Free Mac OS X Windows Android iPhone

PepperGoods.com

Products search / comparisson website with millions of products from the world's most popular online shopping websites. See trending products, receive discounts and coupons.

Free Web

hopshop.us

hopshop.us evolved from a simple concept - to allow serendipitous discovery of great stores and great products online. Often people discover new stores and products while simply walking around the mall.

Free Web

PriceBlink

The PriceBlink browser add-on automatically finds lower prices and money-saving coupons when you're shopping. Stays hidden otherwise.

Free Mac OS X Windows Linux Chrome

Pricerazzi

Pricerazzi.com keeps track for money back, making certain every customer gets the very best price by knowing if prices fall or items go on sale on purchases they have made.

Freemium Windows iPhone iPad

Google Product Search

Google Product Search applies Google's search technology to help you find and compare products from online stores across the web and then points you directly to where you can buy them.

Free Web

Food.com

Find Recipes. Plan Meals. Score Deals. Meet the most comprehensive recipe and grocery-deals app on the App Store. Food.

Free iPhone

The Tracktor

Pricing stats for Amazon products.

Free Web

Primo Red

Primo Red will help you find the best product you're looking for, based on the ratings and popularity we have determined across the Web. We have cataloged hundreds of thousands of items across more than 26,000 categories.

Free Web