ClearCam is a free utility for Apple iPhone allowing users to double the effective resolution of pictures taken from the 2 Megapixel camera, the utility offers “enhanced mode” taking 6 photos in 2.5 seconds which is used to create a single sharper, 4 megapixel image with less noise.

Another handy feature “QucikShot” lets users click 4 pics in one go and then choose the best one, however this feature require an $9.99 paid upgrade, the utility is available for free via Cydia and needs a jailbroken iPhone.