iXtentia/Extentia brings a simple and versatile iPhone/iPod Touch application iAudioBox that comes with several built in sound effects and the ability to record and playback additional custom sounds. The built in sound effects are useful and commonly required for pranks, in theatre, the workplace (!) and to entertain friends. Use the ability to record and playback your own sound effects to expand the built in collection and get what you need done. iAudioBox Lite comes with 27 built.