SonarDeal is described as 'com allows Internet users to consume smart on Amazon' and is an website in the Online Services category. There are more than 25 alternatives to SonarDeal, not only websites but also apps for a variety of platforms, including Android, iPhone, iPad and Google Chrome. The best alternative is Camelcamelcamel, which is free. Other great sites and apps similar to SonarDeal are Keepa (Free), PriceSpy (Free), Pricepin (Free) and PriceGrabber (Free).
PriceDrops is a free price tracking app, monitoring product prices at over 95 of the biggest stores online. Add the product you want to track and be notified as soon as the price drops, plus see the price history of your tracked products.
The WatchLyst enables online shoppers to set price drop alerts on products they wish to buy. It then tracks the prices of these products daily, and notifies the users when the prices drop. Shoppers save time and money on their favorite items.