I havent used it yet BUT...

I havent used it yet BUT...you do need the CRM 2013 Roll Out for it to work. Our Online account gets updated this weekend. I expect it to work fine but not as good as Rescos CRM for Dynamics - absolutely amazing.

This has no offline mode as far as I know, which slows down performance and means it cant be used when there is no Internet (like in the elevator when Im on my way to see a prospect).

DJ Josh OC about Dynamics CRM for phones express