About this app
It is a simple calculation card application. It supports addition, subtraction, multiplication, and division. Features ・ History function The date and time of study, points, and time taken are recorded in the history, so you can check the achievements later. ・ Calculation card editing function Since you can edit the contents of the calculation card by specifying the range, you can intensively study the problems you are not good at or create difficult problems according to your level.
Latest release
What’s New
Fixed an input issue on the editing screen.
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 · 4:31 AM Free
Screenshots
