UPSC IAS Crack Interview 25Day is a free Android application that provides you with all the necessary resources to prepare for the UPSC exam. The app provides important UPSC related questions, all previous year question paper sets, notes on various GK topics, and last year papers. The app has a beautiful design and functions, and you do not need an internet connection to use it. You can revise fast, cover more syllabus, and save time on your device.

The app supports all devices, including phones and tablets of all resolutions. With its nice, fast user experience, you can easily navigate through the questionnaire and review sections. The app includes an extensive UPSC IAS GK Test that covers Indian and World History, Indian and World Geography, Economy, Physics, Chemistry, Biology, Sociology, Science & Technology, Indian Constitution, Indian Politics, Indian Culture, Indian Famous Places, Famous Personalities, Honours and Awards, Sports and Games, Books and Authors, Rivers and Lakes, Mountains and Forest, National Parks, and Computer Knowledge. The app also has notes on Indian and World History, Geography, Indian Polity and Constitution, Indian Economy, Chemistry, Biology, and Physics.