About this app
Top Science Learning from Japan — Now in a Fun Quiz App! Japan’s science education is ranked #1 in the world (OECD PISA). Now you can study it anytime, anywhere — with this easy, offline quiz app! What’s Inside? Over 1,000 quiz questions Covers Biology, Chemistry, Physics, Earth Science All questions include clear explanations Based on real Japanese school textbooks Suitable for ages 12–15 and exam prep Easy to Use No internet needed Learn in short sessions Track your progress Practice by topic or grade Perfect For: Junior high & upper elementary students Students preparing for school tests or entrance exams Anyone curious about Japanese science education!
Latest release
What’s New
multiple questions updated
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 3, 2026 · 2:14 AM Free
Screenshots
