About this app
* Generate test expressions freely for mental arithmetic. * Choose Hearing and Seeing Mental Arithmetic * Check the exercise records carefully. * Say the answer carelessly, the first mental arithmetic APP to introduce speech recognition * Adjust the time of mental arithmetic at will. * Edit expressions freely to make learning more symmetrical. * Feel free to share expressions via Wechat or QQ. * Use mental arithmetic to open expression files shared by Wechat or QQ. * Feel free to transfer expressions to computers or other mobile phones. * All kinds of walking functions wait for you to discover.
Latest release
What’s New
Fix known problems.
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 observed Oct 12, 2026 · 5:44 PM Free
Screenshots
