Are QR Codes free? How long can a QR Codes last?
是QR码免费的吗？多久可以一个QR码持续多久？
All created QR Codes with us are free and be your forever. The only thing you should notice is that you won’t be able to edit the content after printed, so be sure to always test and make sure they work before printing.
所有创建QR码与我们是免费的，是你的永远。你应该注意到的唯一的事情是，你将无法编辑内容打印后，所以一定要总是测试，确保它们在打印之前的工作。