A personalised app that recommends what to eat

An app that helps us decide or recommends what we should eat based on multiple factors - diet plan, what we ate the previous day, calorie count, preferences etc. It can be used for any and all kinds of meals - Breakfast, Lunch, Snacks or Dinner. It can be used for any type of meal - Home-cooked, Order from outside, Order at a dine-in restaurant.