Macro Calculator is a free lifestyle app developed by Varad Gauthankar for Android users. It is a simple yet effective tool that calculates optimal macronutrients and calories based on users' age, height, weight, gender, and activity level.

The app is designed to provide users with macronutrient intake recommendations for three common fitness goals: fat loss, maintaining weight, and muscle building. With this app, users can easily calculate their daily protein, carbohydrates, and fat intake to achieve their desired fitness goals.

The interface is user-friendly and easy to navigate, with all necessary information displayed on a single screen. The app also allows users to save their results and adjust their goals as needed. Overall, Macro Calculator is a great tool for anyone looking to optimize their nutrition and achieve their fitness goals.