Pravoslaven Kalendar, also known as Kalendarche, is a free Android app developed by KiKi. It provides an overview of the Macedonian Orthodox Calendar (Makedonska Pravoslavna Crkva - Makedonski Pravoslaven Kalendar) and allows users to search and view details for the current year. The app also supports history and overview for the past and future 10 years.

The app has a modern and clean design, making it easy to navigate. It offers daily and monthly overviews of holidays and provides detailed information about each holiday, including the history and icons of the saints. Users can also search for holidays and saints by name. Additionally, the app includes information about fasting levels and the type of food allowed during fasting periods.