The objectives of this research were 1) to develop the application for learning place value, 2) to determine the efficiency of developed application, 3) to compare academic achievement to compare academic achievement between pre-lesson and post-lesson of students who learned with the developed application about place value, 4) to compare academic achievement between students who learned place value by the developed application and through traditional method during post-lesson, 5) to compare retention of academic achievement of application for learning place value after 2 weeks, and 6) to find satisfactory of student who learned the application for learning place value. The sample group selected through purposive sampling was 5 content specialists and 400 pratomsuksa 1 students.