iPhone, Photo App Recommendation

I was hoping for a recommendation for a photo app for my iPhone 3GS. I take pictures mostly of my kids/family and both kids swim on a team so I would like an app with a zoom feature.

Try ProShots. It is free and has a zoom.

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Camera+, the best, with zoom, I am not sure if it works on a 3GS?

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I'll second Camera+. It replaced the default camera app on my first screen.

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Your camera app itself should zoom, otherwise ProCamera has worked well for me since it adds some useful features like a grid so I can orient the image as want for the shot. The Photoshop app is also good for basic edits and enhancements; crop, rotate, sepia, etc, etc. Have fun!