I have never heard of that app. For that functionality, I'd go with Urbanspoon - it has most places, recommendations, and functions for most places in US. And it's free. As is creating your own recommendations for the places you like.
I also downloaded recently an app called Snapfinger as it was advertised in some game I play (so to get my 5 free mojo from installing it). It's basically the same functionality, or "ordering food easily online in your area" - never mind it's just a Subway/white middle class/lower middle class type chain food place finder. (So, I didn't find a single place with Snapfinger that would have anything I'd want to eat)