Whats the best iphone 4 app for WW?

Hello, Im looking for some advice on the iphone app. I have read about it on here but can find the thread!!!
Im delighted to finally have my iphone & really want to get the WW app but cant find it???
Any help would be appreciated - thanks

just search weight watchers mobile uk in the app store from your phone. Its by weight watchers international inc
Weight Watchers Mobile UK for iPhone, iPod touch and iPad on the iTunes App Store

gratz on becoming a slave to apple and the overcharging of storage lulz. I have the ipod touch and ipad so in the same boat as yah on that one heh.
you can also download in itunes and put on your phone via your computer

My food value pro.. For proints 59p

Or iwatchr

The ww app is free and links into your tracker on ww site