About this app
Solve a math or arithmetic question in 3 seconds. Test your calculation speed in addition, minus and multiplication. More features will be added.
Latest release
What’s New
Version 1.06
Oct 7, 2021
In-App purchase
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 Sep 8, 2026 · 1:07 AM Free