About this app

* Improve mental 2 digit Addition through training and competition ! * Boost daily productivity. Keep your mind active! * A very challenging game ! Background: Everyday we come across situations where we need to do quick math operations and most of the time we just reach for the calculator and punch numbers. This game will help you rely less on that calculator and hopefully in time you will be proficient in mental 2 digit addition. Features: - Stylish and intuitive user interface - Add numbers from 10 to 99 as fast as possible - 2 modes: PLAY & WORK - STATISTICS: Track your best score, average score and total games played - Share scores with family and friends - Game Center Leaderboards & Achievements supported ** PLAY Solve addition questions as fast as you can in one minute to achieve a high score! Can you reach the coveted "S" rank? ** WORK (In-app purchase required) Unlimited training time will further prepare you for the 1 minute addition marathon. ** SHARE Share your results with friends and family through Facebook, Twitter, Sina Weibo, etc. Find out who among you is an Addition Master!

Latest release

What’s New

Version 1.03 May 17, 2020

* Updated icons, launch screens and screen shots for newer devices * Fixed sound, social media sharing issues * Removed banner ads

Audience growth

Ratings growth

Steady

7-day gain +0

Ratings / day 0.0

30-day gain +0

US rating-count history

0 ratings

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