About this app
The final step for the first grade arithmetic, you can learn to carry and borrow easily. Keeping on training is very important to get familiar with numbers. Beat the Robo by answering the questions.
Latest release
What’s New
Version 7.8
Jul 30, 2026
Fixed minor bugs
Audience growth
Ratings growth
7-day gain
+0
Ratings / day
0.0
30-day gain
+0
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
Current
Free
Historical low
Free
Paid → free
0×
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 20, 2026 · 5:06 AM Free
Screenshots
