MomDiary: Week by week Pregnancy Tracker is a free Android app developed by Hightech Solution under the lifestyle category. This app offers a comprehensive pregnancy tracker that includes a detailed description of baby development as well as changes in the mother's body. The app also provides helpful tips for maintaining a healthy pregnancy.

One of the most useful features of this app is the ability to log various aspects of the mother's health, such as sleep, physical activity, mood, weight, blood pressure, and nutrition. Additionally, the app allows users to take personal notes, keep photos of the baby bump, and track the baby's first kick.

The pregnancy calendar is another useful feature that shows week-by-week general information regarding the changes taking place in the baby and the mother's body. The calendar also provides useful tips for managing pregnancy-related symptoms. Furthermore, the app includes a pregnancy community forum where users can interact with other expecting mothers, ask questions, and share experiences.

Overall, MomDiary: Week by week Pregnancy Tracker is a comprehensive and user-friendly app that provides a plethora of features for expecting mothers. However, it is important to note that this app is not intended for medical use and should not replace the advice of a trained medical professional.