رژیم لاغری is an Android application that offers a safe and scientific weight loss program based on the user's physical characteristics such as weight, height, age, gender, and daily activity. The program identifies the daily calorie requirement of the user and provides a diet plan based on it, without eliminating any meal from the diet and with a high variety of foods. The program aims for careful planning for sustainable weight loss, and it motivates the user to lose weight without tiring them.

One of the key features of رژیم لاغری is that it doesn't promise guaranteed weight loss and doesn't deceive the user with unrealistic promises. The program causes weight loss in a suitable amount per month and doesn't make a person sick with a lot of weight loss. It also offers exercises and complementary exercises suitable for slimming diet to the user. With over 100,000 users, رژیم لاغری provides supplementary nutrition tips to the user on a daily basis, and it is much simpler, more scientific, and safer compared to other weight loss methods such as calorie counting, vegetarian diet, Canadian diet, ketogenic diet, milk diet, GM diet, Mediterranean diet, raw food diet, etc.