In this paper we present a study using subjective measures to examine usability of mobile phone applications running on two different platforms, the OSX iPhone and an O2 Orbit running Windows Mobile operating system.The aim was to enhance the understanding of the influence of devices on mobile application usability.We gathered subjective measures using questionnaires to assess the satisfaction level while using mobile applications installed on two different devices.Results indicate that the device
on which an application is installed strongly influence user satisfaction
