Milk Time is a free iPhone app developed by Akihiro Sakahara in the category of Education & Reference, specifically targeting the field of Medicine. The app provides a convenient way to track various activities related to childcare, such as nursing, milk feeding, diaper changes, and sleep.

The latest version, 4.0.0, introduces a revamped design and adds new features like alarm settings for diapers and the ability to cancel set alarms. Users can now also set Siri shortcuts directly from the settings screen. Additionally, help screens for data sharing have been included.

In version 3.0.0, the design was further improved, making it even easier to read daily summary information. The end date and time of sleep data now display "Woke up" for better clarity. The display of sleep time has been changed to show sleep time by date.

Version 2.7 introduced the chart function, allowing users to view their baby's height and weight records in graphical form. Version 2.6 brought support for Widgets, allowing users to conveniently keep track of childcare records from their home screen. Apple Watch support was added in version 2.5, enabling users to record various activities and check nursing times and intervals directly from their Apple Watch.

Other notable features include a reminder function for vaccinations, Siri shortcuts for hands-free operation, and data sharing through Google accounts. Milk Time aims to provide an easy-to-use app for tracking nursing and milk, with timer functions and helpful notifications for busy parents.

Overall, Milk Time is an ideal choice for individuals who want a simple and efficient way to monitor their baby's daily activities, ensuring they don't miss important events and maintain a well-organized childcare routine.