GukYoungSu
Endless quizzes where your grade rises and falls with your score
Solve questions to earn points, and your grade level climbs as points add up. Practice Korean, English, and Math endlessly in one app — from 1st grade through 12th — and see exactly where you stand through your score. A grade that rises when you're right and falls when you're wrong keeps you coming back every day. Works fully offline, with no account, login, or internet.
Screenshots
Key Features
Score-leveling endless quiz: +10 correct / -5 skip / -10 wrong, auto grade up or down every 300 points
Grade ladder from 1st to 12th, focused on your current open level
Exam mode: set subject, range, and time like the real thing; persists across relaunches
Per-subject wrong-answer notes to review only your weak spots
Fully offline, no account or login
System Requirements
iOS 26.0+