Oatsy is a free lifestyle app developed by Starry Web that helps you track your nutrition, fitness, and weight loss goals. The app features the largest verified nutrition database in the world, allowing you to easily log the food you eat throughout the day. With Oatsy, you can set your weight loss or weight gain goals and the app will suggest a game plan for your calorie budget. You can choose from various custom diet plans, such as Balanced Dieting, Intermittent Fasting, 5:2 Fasting, and Keto Burn/Keto diet, and manage your carbs, protein, and fat intake.

In addition to tracking your nutrition, Oatsy also lets you track your fitness activities, count steps, and set water intake goals. The app has an artificial intelligence food auto-scanner that detects and tracks the food you eat and a barcode scanner to log foods instantly. You can create custom dishes and recipes and see full nutrition analysis, including calories, carbs, fat, protein, dietary fiber, sugars, saturated/unsaturated fat, sodium, cholesterol, and potassium. With Oatsy's engaging community, you can follow your friends' calorie-counting journeys, share your progress, and learn from nutritionists.