Designed for Windows Phone and Windows 8 developers; DevTracker allows you to keep track of reviews and ratings of your WP and WinRT apps.
This is a unique tool for the developers that have apps on both platforms. Microsoft provides separate portals for those two platforms, and DevTracker will let you follow your apps from one single app.
To mention about couple of features DevTracker provides to developers:
The developer of DevTracker Erkan Deveci who is also publishing games for both platforms under the name of Deveci Games claims that he is also working for a Windows Phone version of this unique WinRT app.
DevTracker is free on Windows Store to follow 1 app and offers in app purchases if you would like to follow more than 1 app.
Here is the link to DevTracker.