Hindi Calendar 2021 is an Android app developed by Appsoniac that provides high-quality monthly images and important information about Indian holidays and events. The app is designed to help Indians keep track of significant days on the Hindi calendar and provides users with detailed information about maasa, vaara, thithi, nakshatra, and all holidays for the year 2021 in Hindi.

The app is easy to navigate, with users able to swipe left and right to browse through different months. The Zoomable Calendar feature allows for easy viewing of specific dates, while the Colorful Calendar makes it visually appealing. In addition to the daily Indian Day, Tithi, Rasi, and Nakshatra, Hindi Calendar 2021 also displays a list of festivals in Hindi for every month. Marriage and Brata dates are also included.

Overall, Hindi Calendar 2021 is a nice UI app that is small in size and provides all the information needed for anyone looking to stay up to date with the Hindi calendar. It is a great reference app for those who celebrate Hindi festivals and events and need to plan accordingly.