The global usage of Web 2.0 applications is increasing daily. Due to the rapid advancement of the digital revolution, the Web 2.0 applications are currently becoming an essential in our personal and professional lives because of the digital revolution. Most of these applications have user-friendly interfaces that encourage users to become socially active. Therefore, as to gain more understanding of this phenomenon, this research was constructed with the aims to investigate the Internet usage habits in Erbil City, to determine the preferred Web 2.0 applications and compare the results of this research with that of past research done in Istanbul (Turkey). The required data were collected through a survey of close-ended questions. The researchers employed the convenient sampling method in the collection of the data in Erbil city, which summed up to a total of 450 samples. These data were then analyzed and described using SPSS software version 22.0. During the analysis of the data, the frequency and percentage methods were utilized. As a result, it was discovered that Facebook is the most popular Web 2.0 application in both Erbil and Istanbul. However, the findings also show significant differences in the usage of Web 2.0 applications in terms of gender, age, and education level in Erbil.