Do you want to know about the qr code generator??/ Then you can just have a look into the official website because over there you can able to find the free trial for 30 days. If you're satisfied with this then you can able to download the full version. This will be very helpful for you in tracing of the people who scan them. Not only this, you can able to create the vcard and others with the tool which is presented by the them. To know further details about it in brief, you can refer the official website.