Awareness! The Headphone App (iOS) app for FREE
Awareness!® lets you listen to music and still hear when someone talks to you, the phone ringing, doorbell, alarms etc. without taking your headphones or earphones off - even with noise cancelling or noise isolating headsets! "ONE OF THE TOP 500 APPS IN THE WORLD" The SUNDAY TIMES. AWARENESS!® Brand-new V2.5 is heavily refined, has a new helpful interface and includes all the features that were previously paid options!