Most of the user functionality is the same, but it's very different behind the scenes and is more efficient & faster.
Size: 45 MB for Windows 7, 8, 8.1 and 10
Simple beta, only lets you redirect your PC and web browsers to different locations.
Speed comparison on a 200mbit/s connection (HideAway is much faster than other popular VPN's)
What it doesn't have yet (ie, what we still need to add):