JEE FOCUS - Mains & Advanced is an online practice and preparation platform designed for engineering aspirants. Developed by Boston Adaptive Learning Systems, this app offers a range of features to assist users in preparing for IIT JEE Main, IIT JEE Advanced, BITSAT, VITEEE, WBJEE, MHTCET, KCET, UPSEE, COMEDK, EAMCET, PJET, OJEE, and other state and university-level engineering entrance exams.

One of the most significant features of this app is the extensive question bank, which includes over 60,000 high-quality engineering entrance MCQs (Physics + Chemistry + Maths). Users can access explanation and video for all the questions, making it easier to understand the concepts. The app also offers daily live tests, topic-wise tests, and separate grand tests for various exams.

In addition to these features, JEE FOCUS - Mains & Advanced includes a social wall where users can post questions, ask doubts, and discuss with others. The app also provides a performance tracker that allows users to track their progress in real-time with topic-wise tests and live tests separately. Finally, users can analyze top performers and their competitors on how they practice, what they practice, and change their practice plan if needed.