Camera Genius by CodeGoo
Camera Genius for the iPhone offers several impressive features, including 6x digital zoom. No, it's not the same as optical zoom, but when combined with the anti-shake feature, it offers surprising clarity, especially with the iPhone 4S 8 megapixel camera. The app also offers video mode, a big button for ease of use, a focus snap, a timer, burst shooting, filters, cropping and borders. Combined, this app will take care of all your camera needs. The is $2.99 in the App Store. Camera Genius has not received an update since July 2013. The app should work find on older iPhones and older operating systems, but may lack in performance with later iPhones.