Abstract: Application portals enable a unified interface to be provided for users to select application for download and purchase to their devices. User rankings and reviews are common place but do not provide insight on the performance of an application on a particular device type. To improve the application experience additional metrics associated with the performance of an application can be provided to the user prior to download to provide real performance metrics received from individual devices that have already executed the application on a similar device type. The performance metrics can be presented to a user or developer and in a more informative ranking for an application, one based on performance rather than popularity.