Ritmik Sayma- Saymatik is an Android application developed by dersekranda, aimed at teaching children rhythmic counting in a fun and engaging way. The app consists of several games that help children learn the counting process, find the missing number, sort balls, and more.

The first activity, which involves learning the counting process by repeating it, is a great way to help children memorize the numbers. The "Find The Missing Game" is an exciting game that challenges children to find the missing number in a sequence. The "Rabbit-Carrot Game" makes rhythmic counting fun and enjoyable for kids. Lastly, the "Sort Balls" game encourages children to sort balls by randomly bringing them to the desired counting floor.

This app is suitable for all class levels and is a great tool for parents and educators to use in teaching children the fundamentals of mathematics. However, it is important to note that this app is only available in the full version, and there are no options for a free trial.