Since the advent of smartphones from just a few years, the market is growing. Almost everyone now have an own smartphone. Smartphone brings many varied functions and new experiences by mobile apps. Apps developer all want these apps will be noticed, because if the app can not attract people's attention that will be ignore to download. Therefore, in the app development process, an important issue how attracts users attention from enormous apps, while will be a key factor. The main purpose of this study was explored how icon design can bring more attention to app download by icon design attributes and visual dominance and meaning. Using 12 different apps types of situations, it was desirable to give more accurate Icon design suggestions for different types of App. Let apps developers can full use of the conclusion of this study in order to achieve the purpose of increased willingness to download. After a study found that the visual dominance and meaning really have a positive association with the users reaction of download apps and can be designed through the five design attribute (Activity, Balance, Complexity, Depth and Organic). In order to promote user choice because icon and click or download the App.