Do you know an American equivalent food rating system to the European food scoring system - Nutriscore and Nova Score?
There’s an app called Fooducate that gives you a letter grade for food you scan in, you can view healthier options, you can look at the nutrition info and verify that it matches the information on your food label and you can add foods to the database. I found the app a little clunky but probably more due to me being comfortable in other apps than a fault of this particular app.