What are some alternatives?
When comparing i-nigma Reader and ConnectUpz, you can also consider the following products
Barcode Scanner - Barcode Scanner for Android
QuickMark - QuickMark makes everything possible.
MKH Barcode Reader - This tool can be used to scan QR codes on your PC or tablet. Note: a webcam is required.
Obsqr - obsqr is an open-source, fast and lightweight QR scanner for Android.
SecScanQR - The QR-Code Scanner/Generator that cares about your privacy
ZBar bar code reader - ZBar bar code reader