JEE Mains By Chapters is an Android application that aims to help students prepare for the Joint Entrance Examination (JEE) by providing them with a comprehensive set of study materials. The app is developed by examsnet and is available for free on the Google Play Store.

The app provides a chapter-wise breakdown of the JEE syllabus, which makes it easier for students to focus on specific topics that they need to work on. Each chapter includes detailed notes, important formulas, and solved examples to help students understand the concepts better. The app also includes multiple-choice questions (MCQs) for each chapter, which students can use to test their understanding of the topic.