About this app
A quick and fun way to learn and practice adding, subtracting and multiplying negative numbers. Race against the clock to answer the questions as quickly as possible. Enjoyable and useful for anyone. Multiple game modes - practice for people of different ability levels. Leaderboard - beat your time until you're a master.
Latest release
What’s New
This update from Apple will improve the functionality of this app. No new features are included. *Bug Fixes
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 12, 2026 · 4:55 PM Free
Screenshots
