Ive been using MWD on and off for quite a while. It is relatively easy to use due to its straightforward nature. It syncs well (and easily) over iCloud, and I have been able to view and edit my entries on multiple devices (three, in total: iPad, iPhone, MacBook Pro). Personally, I dont use the smiley face feature, but I could see how it could be cool for some users. The page-turn and aging features are cool, but do not add to (or subtract from) the value of the app, IMO.
There are a few things missing, though, that the developers would do well to add:
1) In the iOS versions there is no way to edit text appearance (bold, underline, italics, color, size, font, etc.). This is, IMO, a HUGE oversight. (I dont recall if it is present in the desktop version, since I use mainly the mobile version.)
2) In iOS 9 Apple created the split screen. MWD really needs to be updated to function with that capability. It is frustrating to have to flip back and forth between MWD and other apps due to having to re-enter MWD password every time MWD comes to the front from the background. (I want MWD to ask for the password every time it comes from the background to the foreground; I do not want to have to put it in the background to access another app.) Please update to take advantage of what iOS 9 offers.
Overall, MWD is a good app that has made it easier and more inviting for me to spend time journaling on a regular basis. I would recommend it for others who are looking to eJournal and/or who have had a hard time sticking to a journaling discipline.