I installed both and tested them from my MacBook Air to my Dell M6500 laptop and a variety of other systems over the course of a workweek. The second option is CoRD, an open source alternative RDC client for Mac OSX. The first option is Microsoft’s official RDC client for Mac OSX.
ITap mobile mobile RDP is the most powerful RDP client +fast and optimized RDP implementation with RemoteFX +secureby supporting NLA and TS Gateway +handy 3 different cursor modes +convenient gesture control +universalbinary for iPad, iPhone and iPod +available on Android as well