BiteMyApple has released a standalone flash to help smartphones take better pictures in lowlight conditions. Nova is a wireless, off-camera flash that enhances your iPhone photos with rich color and depth. Here's more info on Nova:
The standard iPhone flash can cause subjects to appear washed out or bring attention to imperfections by casting hard shadows. Nova's flash illuminates the subject with natural skin tones, softer shadows and visible depth. It is a separate piece that pairs to your phone via Bluetooth. Simply connect to the free Nova app, point, and shoot.
-Bluetooth-enabled external flash for the iPhone that can be stored in your wallet for easy access whenever creativity strikes -Nova's flash illuminates the subject with natural skin tones, softer shadows, and visible depth -Separate piece that connects to your phone via Bluetooth. Simply connect to the free Nova app, point, and shoot -Choosing one of three temperature-adjusted white lights through the app -Boasts 40 points of light diffused behind a white panel. This layout is the reason behind the easy-on-the-eyes flash, and the resulting stunning photo -Slim (about the size of a credit card) and lightweight (1 ounce) so you can store it in the credit card slot of your wallet