If you are bored with the standard ringtones, try Annoying Sounds Free. A new study shows annoying sounds trigger a highly emotional response in the brain. Researchers found the part of the brain that regulates emotions, the amygdala, appears to take over the hearing part of the brain when people hear an extremely annoying sound. Set a different Annoying Ringtone for each contact from your phone.

Annoying Sounds HD app Features :
● All Sounds are high quality sounds
● App can work in the background
● Auto-play sounds mode available
● App works offline after download.
● Free App
● Set any Sound as Ringtone, Alarm tone, Notification tone.