ベビーサイン is an educational app developed by Takumi Sugihara and licensed for free. It falls under the category of Education & Reference on the iPhone platform. This app is designed to help parents and caregivers communicate with non-verbal babies and children through baby sign language.

The app features a comprehensive list of signs that are useful in everyday life, with 43 words included as of JanuaryUsers can easily search for signs to express their child's interests and can also create a personalized list of favorite signs they want to learn. This makes it convenient for parents to quickly learn and use signs that are relevant to their child's needs.

In addition to the sign list, the app also includes a diary feature where parents can record memories and milestones with their child. The diary is presented in a timeline format, allowing parents to easily document and cherish precious moments.

ベビーサイン aims to support comfortable parenting and childcare experiences for mothers and fathers. The developer, Takumi Sugihara, welcomes feedback and suggestions to further enhance the app's functionality and usability.