Pediatric uroflowmetry is an app that allows the user to identify the estimated average and maximum flow rates based on an idealized bell curve in children from 4 to 12 years of age. The estimated flowrate then allows for the development of a flow index which can be used to identify the flow pattern as well as a reproducible and easily followed tflow index from one Void to the next. Suggestions on the diagnosis can be inferred from the flow index which is generated by this app.