It sounds like this is promising the functionality of a Harmony Ultimate remote, with added functions, for 60% of the price. I switched from an older Harmony remote to a Harmony Ultimate last October, and mostly like the switch. Because the app is on my phone, my tablet, my wife's phone & her 2 tablets, the remote is very accessible.
The one thing that these types of remotes don't do so well is watching DVR'd TV. When you fast forward with a remote with buttons, you can place your finger on play prior to pushing the button; but with a touch screen interface you have to hover over that part of the screen - much harder. We still keep the DVR remote handy for this function.