Yes we have both iOS and Android apps!
You can download the iOS app here: https://itunes.apple.com/us/app/eat-this-much/id981637806
It supports iPhones and iPads with iOS version 7 or later.
And the Android app here: https://play.google.com/store/apps/details?id=com.eatthismuch
It supports nearly all android phones and tablets with API 16 (Jelly bean) or higher.