Tsar Coins Scales Dirhams is an educational and reference application available on iPhone, offering a comprehensive catalog of coins from the Russian Empire and the pre-Petrine period spanning 1462 toThe app includes detailed information on all varieties, new models, and trial Royal coins, as well as scales of the Grand Dukes in the form of drawings and additional photos.

Users can access high-quality photos of coins both online and offline, with the ability to easily enlarge and examine each detail. The app features clickable photos for a closer look, allows users to specify coin status, and enables the export and import of collections on the phone. Additionally, users can customize settings to disable new models and trial coins, with free access to coins of six emperors and four Grand Dukes to ensure the highest quality of the app.