Combined, the Apple App Store and Google Play Store offer 4 million apps, and 3% of them are connected to health and nutrition. Half of all nutrition applications (Product Scanner, Calories in food, Simple Macro, etc.) have only one function, while the best diet and nutrition apps (MyFitnessPal, MyNetDiary, FatSecret) offer a set of functionality: calorie counters, food diaries, recipes for healthy food, barcode scanners, daily meal plans, and shopping lists.

But are multi-featured nutrition tracker apps profitable? In 2018, MyFitnessPal was the top fitness and nutrition app, with $62 million in revenue. Lose It! was the second highest-grossing diet and calorie tracker app, with nearly $12 million in gross revenue. These apps are free to download and make money through in-app purchases.

In this article, we’ll talk about the best nutrition apps on the market, giving you thorough information on how to create a diet app and what functionality to add. Below, we are also explaining why food diary apps have become popular among users from different countries with diverse eating habits. This information will help you decide on the type of medical mobile applications you want to build and features for your own app for diet.