There are a number of macro lenses made for the iPhone and most of them work really well. The problem is that many of them require that you either use a special case which the lens screws into or you have to use some other kind of contraption to secure the lens to your iPhone. A macro lens gives you the ability to take pictures from a short distance and is best used to capture small detail. Flowers are a popular subject for macro lenses, but you can find some other very creative shots taken with them.
The Easy-Macro Cameraphone Lens by Muses Consolidated, LLC, has to be one of the most simple and effective designs for a camera accessory I've ever encountered. It's a misnomer to call it a cover, as it is actually just a ver