About this app
Are you nervous now that the baccalaureate is approaching? Or other exam? Not sure if you covered all the lessons? Well, our teachers have created virtual lessons for all subjects. Free access. Hundreds of short lessons are waiting to be completed. Dozens of video lessons! In addition, you get hundreds of pictures, figures and diagrams. Start studying now, track your progress with our app and ace the exam! * the lessons are constantly checked and, with the help of your feedback, it will become even easier to understand.
Latest release
What’s New
Removed ads & minor bugfixes.
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 6, 2026 · 5:55 PM Free