The invention discloses an application evaluation method and device, and a computer readable storage medium. The method comprises the steps of opening a comment area corresponding to an application to be evaluated when an access instruction of the application to be evaluated is detected, acquiring user comment score information collected in the comment area for every other preset time interval, invoking a matching scoring rule based on comment scoring information, and calculating the grade of the application to be evaluated based on the scoring rule and displaying. The scheme solves the technical problems of waste of human and material resources in the prior art caused by providing a plug-in or component for each application app which needs to be commented on.