Grade 4 Math is a free Android app developed by TouchOcean that provides an interactive learning experience for primary school students. The app offers tutorials and quizzes on a wide range of math topics, including numbers sense, place value, addition, subtraction, multiplication, division, fractions, decimals, algebra, and geometry.

The tutorials are short and easy to understand, with examples that help students grasp the concepts quickly. The quizzes are interactive and provide immediate feedback, helping students identify their strengths and weaknesses. After playing the quizzes, students can view their performance report card based on the grading system and even email it to their teachers, parents, or friends.

Grade 4 Math is a comprehensive math learning app that covers all the essential topics for primary school students. It is an excellent tool for students to practice math skills outside the classroom and improve their performance. The app is free to download and use, making it accessible to everyone.