BabyJoy: Pregnancy Tracker is a free Android application designed to support expectant mothers throughout their pregnancy journey. The app features a personalized pregnancy calendar that allows users to track their pregnancy week by week, alongside a timeline that highlights key milestones from conception to delivery. Additionally, it provides insightful information about fetal development, including size comparisons to everyday objects and a due date calculator based on the user's last menstrual period.

In addition to tracking tools, BabyJoy offers a variety of information management features. Users can document their pregnancy with ultrasound images and track the growth of their baby bump. The app also includes a pregnancy journal for recording personal thoughts and experiences, a selection of baby names from different cultures, and access to informative articles to enhance knowledge about pregnancy. Overall, BabyJoy serves as a comprehensive guide and support system for mothers-to-be.