About this app
Find the best addition king in the world! In the first to tenth round, you'll compete for who can solve the addition quiz faster. 1 to 4 rounds of single-digit addition problems, From four to eight rounds, two-digit addition problems, From the 9th to the 10th round, three-digit addition problems will be released. Who can become the world's best addition king with the shortest record? Download now and challenge the King of Addition! It is perfect not only for simple competition games, but also for your child's educational games.
Latest release
What’s New
Performance improvement
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 · 9:20 AM Free