Table 9: Metrics of the experimental objects: number of resources who has developed the iOS app, global development cost (man-day), workload of the UI part (man-day), number of screens, total number of the UI component, and UI complexity.

iOS app IDOwnerDeveloped by (resource)Global dev. cost (man-day)UI part workload (man-day)No. of screenNo. of UI comp.UI complexityCategory

APP1PAR1230618158MediumEducation
APP2PAR22681242347BasicGaming
APP3PAR3143919144MediumCommunication
APP4PAR43631538290ComplexSocial
APP5PAR53962049370ComplexTeam collaboration
APP6PAR63752243314MediumHealth
APP7PAR72541123130ComplexNetworking
APP8PAR81153953BasicAdvertising
APP9PAR9224525211BasicMedicine
APP10PAR10220414107MediumEvents
APP11PAR1113051385MediumGaming
APP12PAR122642127167ComplexSocial
APP13PAR13120413112BasicMedicine