BigOven is a big deal. It was chosen as a “Best App for Foodies” by Time Magazine and a “Best App for Eating” by the New York Times. It’s free, it’s easy to use, and it lets you keep track of up to 350,000 recipes on your handheld device. You can search the app by keyword, course, ingredient, or just browse popular recipes. This app is compatible with a variety of devices running iOS 7.0+ and Android 2.3+.