Door Knock Sound

This is a very simple door knock sound applicationDo you want to give information to the people inside your house you are already in front of your house but your hand is too hurt to knock the door? Well look no further for the solution because we have the door knock sound here in mobile application!This door knock sound is made with a very simple interface, making you focus on making the door knock soundThis application will give you ability to:- Wake someone up with a loud noise- Surprise people around you with door knock sound- Any other implementations which you can think of using this sound effectI hope you enjoy using the application!