A very simple app that plays various types of scales for vocalists to warm up or practice to.You select the type of scale you want to practice, your vocal range and the tempo then click Play. Vocal Scaler will then generate a complete set of scales to lip-roll / trill / hum / sing along with, taking you through your entire vocal range, in single semi-tone steps.Perfect for:Replacing generic scale tapes as it can be set up exactly for your vocal range.Budding vocalist who are doing regular voice conditioning exercises.