I had the Trial version and updated to the paid version and cannot not hear any discernible difference with this app. installed and customized to my liking. Turning it off mid-song makes no difference in sound, nor does turning it on in mid-song make a difference either. Is this app a rip-off, or am I not doing something right? I've even turned the volume on the app all the way up, but no noticalbe difference in volume level. Same with the EQ and other options. OTOH, XiiaLive Pro is LOUD with/without Volume+ What's the verdict on Volume+? Thanks.