Good Free Iphone Apps for taking good Concert Photos?

I go to concert usually with my normal iPhone camera app, the problem is that it takes the photo and the faces are whited out or very blurry. What are some good free iPhone camera apps that take great photos or better than the standard iPhone cameras?

The camera on any cell phone will not take good photos. IPhones only have 8mp cameras on the back which is not a good quality. No apps will improve that.

However, when your taking a pic with your iPhone if you have ios 7 there's a new function if you tap the screen before you take the picture it will focus a little clearer then take the picture.

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