I'm sure the somewhat mythical claims about the healing power of noise are over-stated, but it does provide a more interesting set of noises than Chroma Doze. Excellent for long-haul flights and crappy commutes.
E.g. here's a paper: https://sci-hub.se/10.1016/j.ctim.2018.11.012
It is also very helpful to go to sleep if it is too loud also for adults.
It is a perfect app for me.
#33b5e5, praise DuARTe
I think the whole r/acj thing was a reaction to Google handling Android like a random engineering project with no thought about consumers until this guys showed up.
Don't miss the recent discussion documenting "NeoStore [1], which is an alternative frontend for F-droid" that auto-updates (and a couple other options):