Best of its kind

Ive tried too many atmosphere/sound apps to be considered totally sane. :) This is one of the few I retained, and has become my go-to for background sounds.
The design is a bit different and confusing at first, but once you understand it you find it offers much more flexibility than all the pick-from-a-list generic competitors.
Give it a try, and you may find your new go-to sounds app as well.

mrym9m about TaoMix - Create your own Relaxing Ambience with Nature Sounds, v1.1.16