Bring - Clever shopping - simple and shared
Milk for Us - A free and simple yet powerful grocery shopping list app for iPhone. Family sync.
Yummly - Yummly is a recipe app. You search through lots of recipes, add the ones you like, and even create shopping lists based on the recipes you pick. You can save your recipes with one click and later organize them into collections.
Ingredient Pairings - Ingredient Pairings tells you what ingredients go well together in a recipe.
KitchenOwl - KitchenOwl is an application that makes grocery lists and recipe management easy.
SmartCooks - SmartCooks is your companion, going with you from the grocery store to your kitchen.