About this app
This is an encyclopedia that includes topics such as planets, earth, dinosaurs, civilizations, knights, inventions and transport. The textbook consists of about 1000 articles. Encyclopedia does not contain pictures, but consists of text.
Latest release
What’s New
Update age ratings question. App icon change.
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 Aug 13, 2026 · 12:00 AM Free
Screenshots
