Český Kalendář se Statnimi Svátky is a free Android app developed by Akstar Mobile. This business and productivity app serves as a compact organizer with multiple features. The app provides a comprehensive Czech calendar with holidays, including specific days such as Independence Day, Mother's Day, and Father's Day. It also includes observance days. With easy scheduling, users can add events and set reminders with just a few taps. The app allows users to customize the font style, alarm sound, and calendar background. Users can choose to start the week on either Sunday or Monday. The app also offers backup and restore features. Overall, Český Kalendář se Statnimi Svátky is a useful tool for planning and increasing productivity.