Just wanted to let you know.
I previously used another one which was far too buggy. This one is simple, clean and does what it needs to do.
https://itunes.apple.com/us/app/ocr-scan-text-from-camera/id1163617952?ls=1&mt=8
Also for swift users looking for podspec.
its easy to manually import this. Just follow the guide and add this to briding-header
#import "./CustomizableCamera/Camera View/CameraSessionView.h"