A QR code is a type of matrix barcode invented in 1994 by the Japanese automotive company Denso Wave. A barcode is a machine-readable optical label that can contain information about the item to which it is attached.

QR Codes are so versatile, they are able to store a variety of information depending on your needs. It can store a URL to make it easier for you to open a page on the web with just a scan. It can also store contact details so that you don't have to manually type the name, phone number, and email address to save it to your phone. But of course, this is just the tip of the iceberg; you can view more use cases here.

Yes, it is possible with our paid versions. You can track the number of scans, where, and when it was scanned. You can even see which operating system your audience uses on their devices! All of these are important metrics for you to measure your campaigns and use it to improve or even expand.

Once generated, a Static Code cannot be edited and its scans cannot be tracked. Dynamic Code, on the other hand, is very flexible and is virtually indestructible. You can update its content, change/add links, and fix typos; even after print. You can also track the number of scans, including where and when.