Plans
Subscribe by exam, unlock anytime
9709 and 9231 are billed separately; both together is cheaper. Free plan: question bank & targeted practice are free, plus the first section of each chapter.
Individual
🐦 Early-bird: first 3 months, ~40% off annual (Individual 9709 ¥78 · 9231 ¥118 · both ¥158)
✅ Free (self-registered students)
Question bank + answers free · targeted practice + error book · first section of each chapter · 1 unit + 1 mock per week (no PDF) · AI 5/day
🔓 Subscription unlocks
All guide sections · unlimited papers + mocks + PDF export · unlimited AI · deep analytics · precise recommended practice
Teacher / school
Teacher plan per class (≤40): 9709 ¥99/mo · 9231 ¥149/mo · both ¥199/mo (annual ¥799/¥1199/¥1599). Teacher-created students get full access to the teacher’s chosen exams.