For some, food is mere sustenance. For others, it is a passing enjoyment. Foodies elevate gastronomic appreciation to another level. To them, food is not just food. It can be beautiful art, or a fascinating study, nutritious for both mind and body. It starts as a hobby, but often becomes a passion. Foodies don’t just eat good food. They seek to understand it. They’re inspired by it. They appreciate the care and craft behind it. The iPhone is a wonderful tool for the foodie. Here are some apps to help you digest the many dimensions of food.