Grind questions.
Climb the board.
CBT Grinder is the practice arena — thousands of real exam questions, an AI tutor that explains every answer, timed CBT mocks and leaderboards that make practice genuinely addictive.

Everything you need, in your pocket.
Wallet & XP, game modes that make practice fun, and live leaderboards.

Practice that actually sticks.
Six things that turn endless past-question grinding into real, measurable gains.
Thousands of past questions
Real JAMB, WAEC, NECO & Post-UTME questions, sorted by subject, topic and year.
AI tutor on every question
Stuck? Get a clear, step-by-step explanation the moment you need it — not next class.
Leaderboards that push you
Climb the weekly rankings against other grinders. Practice stops feeling like a chore.
Real CBT-style mocks
Timed, exam-interface practice so the real CBT hall feels like just another session.
Performance analytics
See your accuracy, speed and weak topics — and exactly what to grind next.
Built for mobile
Grind anywhere on Android & iOS — your streak and progress follow you everywhere.
The grind loop
Practice
Pick a subject and grind real questions at your own pace.
arrow_forwardLearn
The AI tutor breaks down every answer you miss, instantly.
arrow_forwardCompete
Climb the leaderboard and watch your accuracy curve rise.
Two products, one goal.
CBT Grinder is where you practice. Ajaks Academyis where you're taught — nightly classes, mocks and materials. Together, they cover the full journey to a top score.
Ready to out-grind everyone?
Start grinding past questions today — and let the leaderboard do the motivating.