Onluyen

Onluyen is a comprehensive test prep and practice app designed for Vietnamese senior high school students. It supports self-paced learning across core subjects (Maths, Physics, Chemistry, English, Biology, History, Geography, and Civic Education) with a unit-based practice mode and a vast question bank of over 120,000 items. Each question includes a concise knowledge summary and related video lectures, while harder questions have video explanations.

Beyond practice, the app offers extensive testing features: thousands of randomly generated tests aligned to the national curriculum and a collection of past papers from top schools, with detailed solution notes and result analysis. Useful study aids include bookmarks for revisiting tough questions, a doubt-resolution feature, and a detailed progress history to track your improvement over time.