About this app
You need to add, subtract, multiply and divide 4 numbers to get the target number. The shorter the time, the more stars will be obtained. Reward levels are more difficult. Train your brain and calculation speed. Remember to check your ranking on the leaderboard.
Latest release
What’s New
fix bugs
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 25, 2026 · 6:05 PM Free
Screenshots
