GREAT!

out of all the apps for relaxation that I tried this is one of the best!!! and one useful thing is that you keep hearing the sounds even when you switch to another application, thus you can hear a song from youtube at the same time for example.

junkina_123 about Relax Melodies Seasons Premium: Mix Rain, Thunderstorm, Ocean Waves and Nature Ambient Sounds for Sleep, Relaxation & Meditation, v3.0