Edit- just realized this is focused on merchants, not consumers, you can't connect your amazon account to automatically track your orders... bummer<p>Check out June Cloud for a consumer package tracking app. osx & ios<p><a href="http://junecloud.com/sync/about/delivery-status-for-mac.html" rel="nofollow">http://junecloud.com/sync/about/delivery-status-for-mac.html</a>