Why put a form behind a QR code?
Because the best moment to ask a question is the one where the person is standing in front of you. A feedback email the next morning is answered by the people who were going to answer anyway; a card on the table at the end of the meal reaches everybody who ate there. A QR code is what turns that card, that poster or that last slide into a form somebody can fill in on the phone already in their hand.
The same goes for a quiz at the end of a class, a sign-up sheet at a stand, or a check-out question in a hotel room. The paper is where the people are; the code is the bridge to something you can count.
Pick the kind of form before writing a single question
Most forms that go wrong were built as one kind of thing and used as another. Decide first which of these four you are making, because it changes the settings that matter:
| Form | What it is for | The setting that matters most |
|---|---|---|
| Survey | Information and opinions, no right answers | Whether it is anonymous |
| Quiz / exam (QCM) | Testing knowledge | Answer key, pass mark, time limit, one attempt |
| Feedback | Satisfaction after a meal, a stay, an event | One rating first, everything else optional |
| Registration / RSVP | Sign-ups and leads | The seat limit and the closing date |
Writing a form people finish on a phone
- Lead with the question you most need answered. Completion drops with every question, so the one that decides something goes first.
- Prefer taps to typing. A rating, a yes or no, or a choice takes a second; a text box takes a decision to stop and type.
- Make open questions optional. The people with something to say will say it; forcing everybody else to type costs you their rating as well.
- Split long forms into sections. Three short pages feel shorter than one long one, and a phone only shows one screen at a time anyway.
- Ask only for the personal data you will use. A name and an email are a promise to do something with them, and the form should say what.
Running a quiz from a QR code
A classroom quiz or a training assessment has one problem a survey does not: people want to know the answers. Four things make a QR code quiz fair without making it tedious.
- Keep the answer key off the phone. If the correct answers are anywhere in the page, somebody will find them. Mark the answers on the server after submission and they never are.
- Time it from the server. A countdown that lives only in the browser resets on reload. A clock that starts on the server when the participant presses Start does not.
- Shuffle questions and options. Two people side by side should not see question three in the same place.
- One attempt per participant. Recognise a second attempt by email or by device and refuse it.
Then decide what people see afterwards. Showing the score straight away is motivating; showing the full correction with explanations turns the quiz into a lesson, and is best switched on after everybody has finished.
Feedback and Net Promoter Score
For a restaurant, a shop or an event, three questions are enough: a rating out of five, the recommendation question from 0 to 10, and an optional “what could we do better?”. The recommendation question gives you a Net Promoter Score — the percentage of 9s and 10s minus the percentage of 0s to 6s — which is the single number most comparable over time. Put the code where the experience ends: the bill folder, the exit, the room key card.
Registrations and RSVPs
A sign-up form is judged by what happens at the limit. Set the number of places and the closing date before you print, so the form stops taking registrations by itself instead of overbooking the room. Showing “12 places left” is also the most effective line of copy an event poster can carry.
The QR code itself
Use a dynamic QR code. The poster will outlive the form: next month there will be a new survey, next term a new quiz, and a dynamic code can be pointed at it without reprinting. Size it for the distance people scan from — the size guide has the numbers — and keep a sentence beside it saying what the scan is for. “Rate your meal — 30 seconds” gets scanned; a bare code does not.
If you want the code to look like your brand, the QR Studio designer changes its shapes and colours without changing where it goes.
Reading the results
Look at the choice and rating charts first — they are the decision. Then read the text answers, which explain the numbers. For a quiz, the success rate per question is the most useful list you will get: the questions most people got wrong are the ones to teach again, or to reword. Export the responses as CSV for a spreadsheet; make sure it is exported as UTF-8 with a byte-order mark, or accents and Arabic will not open correctly in Excel.
Doing it with getdynamicqr
Forms on getdynamicqr covers all four kinds — survey, quiz, feedback and registration — with eleven question types, server-side marking and timing, charts and a ranking, CSV and PDF export, and a dynamic QR code for each form in one click. It is included on the Normal, Pro and Teams plans; see pricing for the limits of each.