Static vs dynamic, in one sentence
A static QR code bakes the destination URL into the image itself; a dynamic QR code bakes in a short URL that we manage, which then redirects wherever you point it. Both formats look the same to a scanner, but only dynamic codes are editable after printing — and only dynamic codes can give you scan analytics.
The case for dynamic
You almost always want a dynamic QR code when the printed surface outlives any single link. Posters get reused for the next event. Menus add a special. Business cards survive a job change. A product label points at a landing page that gets redesigned. In every one of those cases, a static code locks you into a single destination and a static code becomes garbage the moment the destination changes. A dynamic code keeps working — you just open QRZen, edit the destination, and the very next scan goes to the new URL.
The number to internalize is the cost of a single reprint. Reprinting 500 flyers, ordering new business cards, replacing acrylic signage at a venue, or rebuilding packaging dies dwarfs the cost of a Pro subscription many times over. Dynamic codes pay for themselves the first time someone notices a typo or a campaign URL is retired.
What dynamic codes are not
Dynamic codes are not magic — they are a short redirect. They cannot recover a code that was already printed as static; you would need to reprint with a dynamic code in its place. They do require a live subscription to keep redirecting, because the redirect runs on our servers. And the scan analytics are aggregate (counts, days, coarse geography), not personally identifying; we do not fingerprint individual scanners.
When static is still the right call
If you are printing something that genuinely never changes — a tombstone QR, a permanent museum plaque, a Wi-Fi network card you keep on the fridge — the static free generator is the better tool. Static codes do not depend on us being around in ten years, which is a feature, not a bug. Use dynamic for things that move; use static for things that do not.
Upgrading is reversible
Go Pro, create a few dynamic codes, print whatever you need to print. If you decide the workflow is not for you, you can downgrade at any time — the static codes you generated for free continue to work regardless, because they never depended on the subscription in the first place. See pricing.