About this app
Dive into our tutorials, assisted problems and endless practice problems to enhance your mental and cognitive abilities. Just practice for a few minutes a day to improve the speed and accuracy of your mental skills producing results faster than a calculator. An unlimited number of timed and assisted challenges are provided from simple multiplication problems to larger three by three digit problems. Each triggering and training different mental skills for just minutes a day. Although the techniques are not complex, we provide an unlimited playground to test and hone these techniques. The key to improving is the practice that we provide.
Latest release
What’s New
Minor stats bug fixes.
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 27, 2026 · 10:23 AM Free
Screenshots
