A method for analyzing at least one test app is provided. The method comprises collecting feature data related to a plurality of historical apps, extracting features of the plurality of historical apps from the feature data, classifying the features of the plurality of historical apps into a plurality of feature groups, and assigning weights to the features of the plurality of historical apps to generate reference data. The method further comprises collecting feature data related to the at least one test app, extracting features of the at least one test app from the feature data, classifying the features of the at least one test app into the plurality of feature groups, and assigning weights to the features of the at least one test app based upon the reference data.