Cherry Calc: Master Addition is a free educational app designed to help users learn basic mathematics, specifically addition with carrying. Developed by Studio Momodi, this app is available on Android platform.

The app offers a step-by-step approach to learning, starting with the concept of calculation by operating visual models. Users can then practice calculations repeatedly to master the concept perfectly. The app offers a series of steps to follow, starting with addition with no carrying, moving on to dividing into two numbers, addition with carrying, and finally, a final exam to test your knowledge.

Overall, Cherry Calc: Master Addition is an excellent tool for those looking to improve their basic math skills in a simple and easy-to-use app. The app's user-friendly interface makes it easy for users of all ages to navigate and learn.