Monster Sounds - Scary Prank is a free Android app developed by Little Snail that offers a variety of scary and funny sounds to scare your friends. The app includes a collection of animal sounds, funny sounds, toilet sound effects, and voice effects that you can play to create a spooky atmosphere. With this app, you can prank your friends by playing loud and creepy monster voices and sounds in idle monster games and toilet games to give them goosebumps.

The app features an easy-to-use interface with over 100 scary ringtones that you can tap to play on your mobile device. You can also set the horror monster sound effects as ringtones and add scary sounds and voices to your favorites. Additionally, you can use toilet monster sounds to prank your friends and make scary surroundings to scare them. The app also offers high-quality screams, spooky sounds, and themes that will definitely give you much more fear than you can imagine in life.