ashton this model R44 is donation payware but a very small donation from a very good designer that seen there was a gap in the robinson family and took up the challange to make one
http://swedbird.com/the repaint is mine and is ofcourse is the clark&jolly R44 from Taupo
EC120 is the pay version from Nemeth Bros but the skins should fit on the EC120 freeware as they are one in the same,, ill do some work there to make sure you can use that one ,,answer to your question is no there are not many difference to the EC120 ,,payware has more paints and a float model/police aswell, where the freeware is the same but with less repaints ..
and yes that recorder like ive said is a must have ,its improving my game play by at lest 50%,im just sad that it does like helicopter AI play back
mike