Kairos: JEE Prep & Mock Tests

Kairos is an adaptive practice app for JEE Main and JEE Advanced. Instead of a generic question set, Kairos tracks what you actually know. Concept by concept, and serves the practice, revision, and mock tests that move your rank forward fastest.

SMART PRACTICE — practice that adapts to you
Every question is chosen based on your current mastery of that concept. Get harder questions as you improve, revisit weak concepts before you forget them, and use step-by-step hints when you're stuck.

CURATED QUIZ — full JEE Main & Advanced mock tests
Timed, no-hints, exam-format tests that simulate the real thing, with free navigation between questions and detailed post-test analysis — calibrated to your actual level, not a generic mock.

PYQs & CHAPTER-WISE PRACTICE
Practice previous year questions (PYQs) by chapter and subtopic, tagged down to the concept level so every session targets your actual gaps.

SPACED REVISION
Weak concepts resurface right before you're about to forget them, not just once and done.

PHYSICS, CHEMISTRY & MATHEMATICS
Full JEE syllabus coverage across all three subjects.

Start with a 7-day free trial. Kairos is built for one goal: making every hour of JEE prep count.