General Knowledge 2021 By Arih is a free Android application developed by SOFTNET INDIA and falls under the category of Education & Reference. This app is designed to provide a compact version of current events from the whole year, making it a complete general knowledge book. It covers key subjects, including History, Geography, Indian Polity, Indian Economy, General Science, and General Knowledge, with the latest facts and updates supported by figures, graphics, and tables. The app also has a separate section for Current Affairs right in the beginning of the book, promoting actual knowledge from recent happenings occurred at different areas.

The app is useful for the preparation of SSC, Bank, Railway, Police, NDA/CDS, and various other competitive exams. The book provides accurate, perfect, and complete coverage of facts, making it an ideal choice for students who are going to appear for the various upcoming examinations.

However, the app lacks interactivity and falls short on providing a more engaging learning experience. Also, the app contains ads that can be a bit annoying at times. Overall, General Knowledge 2021 By Arih is a useful app for those who want to keep themselves updated with the latest happenings and prepare for competitive exams.