What are some alternatives?
When comparing Scan QR Code Reader and QR BARCODE SCANNER, you can also consider the following products
QR Droid - QR Droid Zapper
Barcode Scanner - Barcode Scanner for Android
Obsqr - obsqr is an open-source, fast and lightweight QR scanner for Android.
NeoReader - The NeoReader is a universal barcode scanning app that transforms your mobile phone into a barcode scanner, allowing access to mobile web content by scanning codes from virtually any medium
QuickMark - QuickMark makes everything possible.
ZBar bar code reader - ZBar bar code reader