No need to take pictures in front of a mirror. Take pictures from several iPhones at the same times. How to use? Simply whistle, thats it! Key Features : * Two capture modes (Whistle/Manual). * Instant capture or timed capture. * Select between front or rear camera. * Post to Facebook or save to Camera Roll. * For best results please use this app in a quite environment. * Whistle Camera app will respond to a short and loud whistles.