A free app for Android, by Ringtones Hub.
Nature Sounds - Relax is a free app for iPhone that lets you enjoy the sounds of nature. With it, you can walk in the woods or on the beach and enjoy the sights.
It contains a variety of nature sounds, including the wind, rain, thunder, waves, and more. You can set it as your phone's ringtone or notification sound, and it will be played whenever a notification comes in. It's a great way to help you relax and sleep better.
It has a very simple and easy-to-use interface, so you don't have to worry about how to use it. Just tap on the play button to start listening.