A QR code can cost anywhere from $0 to hundreds of dollars per month, depending on whether it is static or dynamic and how much software surrounds it.
The QR image itself is not expensive to generate.
What usually costs money is the ongoing service behind a dynamic QR:
- redirect hosting
- destination editing
- analytics
- user accounts
- team features
- bulk tools
- integrations
- campaign management
- support
For one simple editable QR, $1 QR Codes charges $1 for one year of management with unlimited scans.