Nowadays, web browser and internet is the most important of most people and also the 3rd year B.Sc. IT students of SIT, KMUTT. There are using web browser and internet, which are helpful to most of them such as Facebook to share information with others, and Camera360 to capture every moments worth memorizing. According to the previous sentence, there are many types of smartphone applications that people can use. They may always use the smartphone applications in their free time, working time, bedtime, etc. The analysis of their uses will yield useful information to reflect the preference of the smartphone users. Therefore, this is the reason why we are interested to survey the use of smartphone applications.