Baby Plus is a free iPhone app for expecting parents and their babies. It offers a wide range of features that can be used from the early stages of pregnancy until after childbirth. The app includes informative articles written and supervised by obstetricians and other experts, animations that show the growth of the baby, and helpful tools such as weight management, contraction timer, and fetal movement counter.

The app has already been downloaded more than 900,000 times, and it is supported by over 2,000 medical institutions in Japan. The app offers a variety of useful information for expecting parents, including tips on how to cope with various symptoms, what to expect during prenatal checkups, and how to prepare for labor and delivery. The app also allows users to share the information with their partners and family members.

Overall, Baby Plus is a comprehensive and reliable app that can help expecting parents stay informed and prepared throughout their pregnancy and postpartum journey.