Άγιοι Θεσσαλονίκης is a free Android application developed by Eir3 Apps, which falls under the Education & Reference category with a subcategory of books. This program provides an extensive list of the saints who lived in Thessalonica, including information about their lives, images, and holiday dates. The saints' names can be ordered according to four criteria: a) name, b) life period, c) date of feast, and d) fame of the saint's name.

The application's user interface is simple and easy to navigate, making it a useful tool for anyone interested in learning more about the saints of Thessalonica. The program's comprehensive database contains detailed information about each saint, including their name, birthplace, occupation, and notable achievements. The application also includes a search function that allows users to quickly find information about specific saints.