This application is an application that can be offline and online which contains several natural sounds that are soothing to hear so that it can make it easier for those of you who have trouble sleeping
there is a sound:
- rain sound
-a thunderclap sound
-waterfall
-River water
- rainforest
-etc

all sounds can be downloaded and used as your smartphone ringtone
I hope this application is useful for all of us
please give a good rating and review about this application on the google play store