The Israeli app MakeMyPlate has some well-known users, including Jennifer Lopez. MakeMyPlate makes dieting more accessible and easier as it motivates users by literally getting to see what their plate should look like.
https://www.youtube.com/watch?v=OpUDoDiwIKo
http://www.timesofisrael.com/israeli-app-helps-you-see-your-way-to-diet-success/