About this app
Simple addition and subtraction questions with a numberline to pick the answer. A system of badges to encourage your child to answer more questions. A purple monster to make them smile.
Latest release
What’s New
Version 2.0
Jun 18, 2026
Updates for latest iOS devices.
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
$2.99
Historical low
USD 2.99
Paid → free
0×
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 19, 2026 · 7:41 PM $2.99
Screenshots
