Pure code scanner is a QR and bar code scanner that is light, fast, free, offline and ad-free. It is powered by Googles Mobile Vision API(https://developers.google.com/vision/) and supports a wide range of QR and bar code formats.Pure QR code scanner is open source too. You can get the latest code from GitHub at: http://github.com/SureshkumarKV/PureCodeScannerIf you like this app, please dont forget giving it a nice review.