When comparing Barcode Scanner (ZXing) vs Q QR Code, the Slant community recommends Barcode Scanner (ZXing) for most people. In the question“What are the best QR and bar code scanners for Android?” Barcode Scanner (ZXing) is ranked 4th while Q QR Code is ranked 6th. The most important reason people chose Barcode Scanner (ZXing) is:
You can keep a history of every code scanned, or just the ones that you've scanned more than once.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Keeps history of scanned codes
You can keep a history of every code scanned, or just the ones that you've scanned more than once.
Pro Can generate QR codes for apps, bookmarks, contacts, and clipboard data
Pro Auto-use Flash
Can turn on from settings to turn on the Flash light automatically.
Pro Supports Wi-Fi QR codes
Can be generated on https://zxing.appspot.com/generator/
Pro Open source
Barcode Scanner is an open source project and the Github repository can be seen here.
Pro Automatically open webpage when scanned
Pro Long history and strong support
Pro Insanely fast
Pro Can read from a screen with low framerate
Cons
Con Bad design
Con Slow
Con It won't read Data Matrix or Aztec codes
Which are fairly common.