Red Songbook is an iPhone application developed by Tin Whistle LLC. It falls under the category of Education & Reference, specifically in the Books subcategory. This free application serves as a reader for .songbook files, providing users with a convenient way to access and enjoy a collection of children's songs and nursery rhymes.

With Red Songbook, users can easily open new songbooks from email attachments or the internet. When a new songbook is opened, the previous one is automatically replaced. This feature ensures that users always have the most up-to-date and relevant content at their fingertips.

Additionally, Red Songbook allows users to share songbooks with people nearby using AirDrop, a convenient file-sharing feature provided by Apple. This makes it easy to collaborate and enjoy songbooks with friends, family, or colleagues.

Overall, Red Songbook is a simple yet effective application for iPhone users who want to access and enjoy a wide variety of children's songs and nursery rhymes. Its user-friendly interface and convenient features make it a valuable tool for parents, teachers, and anyone interested in sharing the joy of music with young children.