Rank Watch.
1.99 usd
Rank Watch is designed to seamlessly track Amazon products' sales rankings. Products can easily be added with either ASIN or an ISBN. Rank Watch will even send you push notifications when your rank changes! Rank Watch tracks US products in Germany, France, UK, Canada, Japan, Italy, China, and Spain, and creates graphs of the historical sales rank.Rank Watch is not associated with Amazon.com.