The free QR code reader app scans and reads QR codes. You can use it to find out more information about a product, a website, or a special event. It is also a useful tool for advertising and marketing. The best part of this app is that it is free. You do not need to pay a penny to use it. 

You can use this application to scan and read QR codes. It is very easy to use. The first thing you need to do is turn on the application. You can scan the QR code or Barcode by using your camera. After that, you need to tap on the button that is next to the camera.