High quality white noise, terrible app

It baffles me that this app, which asks for people to pay money for, still hasnt fixed the same interface issues of 2+ years ago!
Why does the volume square remain on my screen blocking me from using other apps?
Why is the oscillating feature go from extreme loud to extreme quiet?
Why not allow users to chose how loud or quiet it gets when oscillating?
Why do the buttons fade away two seconds after I stop touching the screen?
Why all these illogical things that make me delete the app two minutes after downloading it? (And downloading it again 6 months later hoping issues will be resolved and being disappointed again?)
At least they fixed the oscillation option so it wasnt jumpy, erratic and unusable. Only took them two years to do it. So disappointed I paid money for this.

charliewomanofletters about SimplyNoise - Free White Noise, v1.3