DOTEC-AUDIO presents DeeTrim, as a popular "Auto leveler" for MacOS, now available for iOS, including AudioUnit V3 support. DeeTrim is a simple plugin which controls the volume from -12dB to +3dB. It can keep the output level constant from any input level. It helps when you want to keep tracks (vocal etc) to a certain volume.By keeping to a certain volume, you can mix down easily. And it has the Vocal button. It works great for voice tracks.