Babbel Exercise Books is an advanced learning app offering theoretical workbooks and PDF exercises designed by a dedicated team of linguists, educators, teachers, and language experts. Users can quickly learn through lessons focused on everyday conversations. The app covers 5 languages (English, Spanish, French, Portuguese, Italian) with various learning levels from beginner to advanced.

The workbooks are available for download and can be accessed offline within the app. Users can continue to use the workbooks even after canceling their subscription. Additionally, the app allows users to set their preferred language, access a library for workbook downloads, and encourages exploration of new content and workbooks.