With the help of this app, you can pull a harmless prank on your friends. It is developed by DBD Soft and what it does is modulate your voice to make it sound ghostly. You can record words or phrases, have the app change it, and then have your friends listen to it discreetly.

You can further edit the recording by adjusting the echo delay, the sweep rate, the flanger amplitude, etc. The recordings will be saved on your device.

It is a harmless app that you can use on Halloween or on any day really. So what are you waiting for? Get it now on your android devices.