Квадрат Пифагора is a lifestyle application developed by Tragos Software for Android devices. The app is based on the teachings of Pythagoras and his followers, who believed that a person's character could be determined based on numbers. The app offers four sections, each providing insight into different aspects of a person's character.

The first section is the "Psychometric Character" section, which provides an analysis of a person's character based on their date of birth. The second section is the "Compatibility" section, which analyzes the compatibility between a man and a woman based on their date of birth. The third section is the "Name Analysis" section, which provides insight into the symbolism of a person's name based on the numbers associated with it. Finally, the fourth section is the "Life Path Number" section, which provides insight into a person's life path based on their date of birth.

Overall, Квадрат Пифагора is an interesting and informative app for those interested in numerology and character analysis. The app is free and easy to use, making it accessible to a wide range of users.