9 hónap is a free pregnancy app developed by Central Médiacsoport Zrt. It is designed to help expectant mothers track the development of their baby on a weekly basis. The app calculates the expected delivery date based on the first day of the mother's last menstrual cycle, the date of conception, or personal information. The app provides daily tips and information about the changes that occur in both the baby and the mother's body during pregnancy.

The app features a foetus calendar that shows the size of the baby and provides information on the developmental stage of the foetus. It also includes a baby name section that lists all the available names and the ten most popular baby names for boys and girls. Additionally, there is a pregnancy shopping list and a section that provides tips on nutrition, lifestyle, sex, health, and medical examinations during pregnancy. Overall, 9 hónap is an excellent app for expectant mothers who want to stay informed about their pregnancy and the development of their baby.