It's called
Edibles: it's suitable to WW Points, Atkins, South Beach, Calorie Counting or other hybrid systems. I'm finding it easy to use, but you have to build up the data as you enter it, so you need to know the points value of your foods you're entering.
If you've done WW before, you should have a points calculator anyway, or you can use the points calculator available as a separate app:
iWatchr