Ranktouch is a great way for authors and publishers to keep tabs on a book’s performance on Amazon.com. If the last ranking pulled down is older than five minutes, a new one is collected.
The rankings are stored locally for trending and analysis. You can page through the rankings and view them on the historical chart.
If you need more advanced Amazon tracking, try Rankforest for free.
iPhone or iPod Touch running OS 2.2.1 or later.
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