Static vs dynamic QR codes: which one do you actually need?
Every QR code you generate falls into one of two camps, and the difference matters most after you have printed it. A static code is finished the moment it is made: the destination is written into the pattern itself, and it stays that way forever. A dynamic code is really a shortcut: the pattern points to a redirect run by a service, and the owner can change where that redirect leads. Both are useful. The expensive mistake is picking the wrong one for the job — paying forever for flexibility you never use, or printing thousands of flyers with a destination you cannot change. Here is how to tell which camp your job belongs in.
Static codes: simple, permanent, free
With a static code, what you encode is what people get, directly. Scan it and the phone opens your link, shows your text, or joins your Wi-Fi network, with nothing sitting in between. Because there is no service involved, there is nothing to switch off, no subscription to lapse, and no scan limit to hit. That is why the codes made with the QRGen generator are static: for most everyday uses, permanence is a feature, not a limitation.
The trade-off is exactly what you would expect: you cannot edit a static code after the fact. If the web address inside it changes, the printed code points at the old address forever. That sounds alarming until you notice how often it can be avoided. If you point the code at a page you control — your own website, your own menu page — you can change that page's contents as often as you like without touching the code. The code stays the same; what it leads to evolves. The only thing you cannot change is the address itself, so choose a short, stable address you intend to keep.
Dynamic codes: flexible, tracked, dependent
A dynamic code encodes a short redirect address owned by the service that created it. When someone scans, the service forwards them to the real destination, which the owner can change at any time from a dashboard. That flexibility is genuinely valuable in some situations: a seasonal campaign whose landing page changes each month, a poster campaign where a typo in the destination would otherwise mean a reprint, or a large print run ordered before the final page is ready.
Dynamic services commonly add scan statistics too — how many times a code was scanned, and sometimes roughly where and when. For a marketing team measuring a campaign, that data can justify the cost. But the dependence cuts both ways. The code only works while the service keeps the redirect alive, which usually means while the subscription is paid. Stop paying, and every printed code can stop working at once. You are also trusting a third party with the path between your customers and your content, and their redirect adds a small delay and a point of failure that a static code simply does not have.
A practical decision checklist
Ask these questions before you generate anything. First, will the destination change? If the answer is no — a menu page you update in place, a Wi-Fi login, a product manual, a business card — choose static. Second, how many copies will exist, and how hard are they to replace? A code printed on packaging or etched on a sign argues for thinking carefully, but it still does not require a dynamic code if the destination is a stable page you own. Third, do you need scan counts? If nobody will act on the numbers, do not pay for them. Fourth, what happens if the service ends? If the answer is "hundreds of dead codes in the wild", weigh that risk honestly against the convenience.
A good rule of thumb: start static, and only move to dynamic when a specific job demands editing the destination itself or counting scans. Most small businesses, cafés, landlords, event organisers, and creators never need anything else. The money saved is better spent on better printing, better placement, and a proper test-scan — the steps in our best practices guide that make any code, static or dynamic, actually get scanned.
Frequently asked questions
Do static QR codes expire?
No. A static code encodes its destination directly in the pattern, with no service in between, so it works for as long as the destination itself exists and the printed code stays readable.
Can I edit a static QR code after printing?
Not the code itself — its content is baked into the pattern. You can work around this by pointing the code at a page or redirect you control, and changing the destination there.
Are dynamic QR codes worth paying for?
They can be, for campaigns where the destination genuinely needs to change or where scan counts matter. For menus, Wi-Fi, packaging and signage that rarely change, a free static code is usually the simpler and safer choice.
For the static route, start here: create your free QR code →