QuickQR is probably the fastest QR code scanner in the world. With a click on the app icon the scanner opens directly. It can be used to send QR codes and barcodes.

The app recognizes if the QR code is a URL and automatically opens the link in the web browser. Otherwise, there is the option to search the QR code or barcode content with just one click on Google. You can also have the result read to you or share it with your friends.

And the best thing is that QR Code Scanner is ad-free and you don't have to spend any money on it.