The Russian Orthodox Calendar comprises:

- The church calendar, for the period between 2012. and current year, with daily date review according to Gregorian and Julian calendar, the moon phases and fast types. The church calendar automatically adjusts moveable holidays and fasts for every year according to Easter as well as the moon phases.
- Prayer book, with more than seventy prayers.
- Easter date calculation, as well as Catholic Easter date, by simply entering the year.
- List of multi-days and single-day fasts for the selected year, with dates, according to the new and the old calendar.
- "Today Widget"
- Stickers for iMessage App

Application is in Russian language.