Bói ngày tháng năm sinh is a free Android app developed by TU VI BLOG, falling under the Lifestyle category. The app is designed to generate horoscopes based on the user's birth date. The date of birth is typically calculated according to the lunar calendar, based on the philosophy of the I Ching yin and yang, the five elements, can spend, and more. The horoscope is generated by making horoscopes with God desk, geographical and provision stars, and by using the hours of birth and gender to explain the developments that will happen in the user's lifetime.

The app offers various features, including fortune-telling based on the user's date of birth, predictions about love, health, family, career, and an overall general calculation. The app is designed to help users predict their destiny and anticipate the fortunes and misfortunes that may happen in their life, allowing them to prepare in advance.