Preparing your learning space…
Preparing your learning space…
Adaptive practice · An AI tutor in your pocket · Mock exams · Score prediction
Hundreds of questions that adapt to your level, so every minute moves you forward.
Get clear explanations and a study plan made for you — any concept, any time of day.
Track your progress and get a predicted score so you always know where you stand.
Built for phone, tablet, and Chromebook — pick up right where you left off, even offline.
Spend your time where it counts. Your practice keeps you focused on what you find hardest.
10 questions every day, free. Go Premium when you want unlimited practice.
Yes. You get 10 practice questions every day at no cost, plus score tracking. Premium unlocks unlimited practice, full mock exams, the AI tutor, study rooms, and score prediction.
Adaptive practice questions, an AI tutor that explains every concept, full-length mock exams, flashcards with spaced repetition, a personalised study roadmap, live study rooms, and a predicted score that improves as you learn.
Students who want to study smarter in Japanese — whether you're preparing for an exam, strengthening a subject, or building a daily study habit.
Yes. Koydo Academy is built for Japanese learners, with the interface and study tools in 日本語. You can switch languages any time from the menu.
Premium is $7 per month when billed annually ($84 per year), and starts with a 7-day free trial. Cancel anytime.
Tap Start Free Practice, create your free account, and begin your first session in seconds. No payment needed to start.