This research aims to analyze the importance and interaction amongst the usability attributes for mobile application. The usability attributes were grouped into nine (9) factors such as efficiency, effectiveness, learnability, memorability, errors, satisfaction, cognitive workload, simplicity, and interruptibility. A sum of 411 useable questionnaires form the basis of analysis. The results revealed that Errors (Mean = 3.82) was the most important usability attribute for mobile application and there was a significant correlation surrounded by satisfaction and errors, (r = .591, n = 411, p r = .553, n = 411, p r = .480, n = 411, p < .01). This chemical analysis contributed Private Universities in jordan providing an sharpness into the importance and associations between usability attributes which can be applied Private Universities in ammanuniversities in jordan usability measurement for mobile applications.