Igros Kodesh is an educational application available for iPhone users, designed to provide access to the letters of the Lubavitcher Rebbe, spanning 24 volumes. This free app serves as a valuable resource for those interested in Chabad philosophy and teachings, making it easier to study and reference the Rebbe's correspondence. The user-friendly interface allows for straightforward navigation through the extensive collection, facilitating both casual reading and in-depth research.

The app is categorized under Education & Reference, highlighting its purpose as a tool for learning and exploration. Users can search for specific letters, view them in various formats, and bookmark their favorite entries for quick access. With its focus on education, Igros Kodesh allows individuals to deepen their understanding of the Rebbe's teachings and the historical context of his letters.