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Sticky Products: Understanding Switching Costs
by Signal ScreenerBusiness & Finance · 10 questions
Start from what you already teach
Describe a topic and add up to three web pages, and 9PM Quiz writes ten questions with answers and explanations. Or bring a quiz you built in NotebookLM from your PDFs and notes.
From your material, through NotebookLM
NotebookLM reads your PDFs, slides and notes and writes the questions. 9PM Quiz checks them and runs them live.
Open NotebookLM and add your PDFs, slides or notes.
Open NotebookLMCopy our prompt into the NotebookLM chat, and replace [YOUR TOPIC] with your subject.
Try it with a topic
Ten questions with answers and explanations, in about ten seconds.
One code. Any device.
Put the code on the projector or read it out. Learners open 9pmquiz.com and type it in their browser, with nothing to install. The apps are there for those who want them.
First aid, module 2
Join at 9pmquiz.com
K7Q2M9XP4TNA
24 joined
Where your group can play
- Any web browser, no install
- iPhone and iPad
- Mac
- Apple TV
- Android
Free apps for learners who prefer them
You set the pace
Run it live and move to the next question when the room is ready, or open it for a set time and let everyone play at their own pace.
On a stream or in a webinar
The join screen shows the code in large type with a live count of players, ready for OBS, a screen share or a LinkedIn event.
Read the webinar guideEveryone plays in their own language
Questions, answers and explanations are translated for each player before the first question appears. If a translation isn't ready in time, the quiz shows its original language, never a mix of both.
English
At the scene of an accident, what do you do first?
- Call the emergency services
- Protect the area
- Give first aid
- Move the injured person
العربية
في موقع حادث، ما أول ما تفعله؟
- الاتصال بخدمات الطوارئ
- تأمين المكان
- تقديم الإسعافات الأولية
- نقل المصاب
日本語
事故現場で、最初にすべきことは何ですか？
- 119番に通報する
- 周囲の安全を確保する
- 応急手当をする
- けが人を移動させる
One quiz, one code, one leaderboard, whatever language each player reads.
You leave with the results
Every participant's score, a leaderboard you can search, and how the group did on each question. Export it all to CSV or JSON for your records.
Results
Average accuracy 80%
| Participants | Results |
|---|---|
| 1Camille | 10/10 |
| 2Yanis | 9/10 |
| 3Inès | 9/10 |
| 4Tom | 8/10 |
| 5Léa | 7/10 |
- 196%
- 288%
- 371%
- 492%
- 563%
- 684%
- 779%
- 890%
- 958%
- 1083%
Quizzes you can run today
Real quizzes, open to everyone right now. Play one in your browser to see what your group will see.
Ready-made training quizzes
One quiz per professional field, free to play.
- IT & office skillsIT, information processing and data networks
- Soft skillsBehavioural and interpersonal skills development
- Hairdressing & beautyHairdressing, beauty therapy and other personal services
- HACCP & food hygieneFood industry, food and catering
- Hospitality & tourismHospitality, hotels and tourism
- Marketing & communicationCommunication and marketing
- Play in your browser
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Pay for answers, not seats
Hosts pay for each answer received. Players never pay, and there is no subscription on the web.
| Text question | $0.001per answer |
|---|---|
| Image question | $0.01per answer |
| Video question | $0.10per minute, per answer |
Rates are in US dollars.
A 20-question text quiz played by 30 learners is 600 answers: $0.60 in total.
Sign in to startFor training centers and organizations
Running quizzes for many groups? We invoice organizations directly and can quote for your volume.
Your own branded quiz platform
Your logo, colors and domain on the web platform, plus an iOS or Android app, with hosting for the first year.
From €3,000 setup
contact@9pmquiz.com
Questions hosts ask
Do learners need an account?
No. A quiz you build here opens to anyone with its code: learners type it and play, with no account. For signed-in players only, choose "Signed-in players" in the quiz settings, and players sign in with Google or Apple. Quizzes with prizes always ask players to sign in.
Can I use a quiz I made in NotebookLM?
Yes. Copy our export prompt into NotebookLM, paste what it returns into 9PM Quiz, and the validator checks every question before import.
Can I run it live, or let people play when they want?
Both. Host a live session and move through the questions yourself, or schedule the quiz and let everyone play at their own pace while it is open.
Can I show the quiz on a projector or a stream?
Yes. Every quiz has a join screen with the code in large type and a live count of players. Share that one window with the room or your stream.
How are answers scored?
Choose simple scoring, one point per correct answer, or time-based scoring, where faster correct answers earn more.
What happens to my learners' data?
Their answers and scores are shared with you, the host. Leaderboard entries are anonymized after a year, and deleted accounts are erased right away. We follow the GDPR, including for any transfer outside the EU.
Read the privacy policyCan we have it under our own brand?
Yes, with a white-label platform.
See the options for organizationsCan sponsors pay for a quiz?
Yes. Each quiz has sponsor spots on the waiting, pause and results screens. You set the price and keep the revenue.
Bring the material for your next session
Ten questions from a topic in about ten seconds, or your own NotebookLM quiz. Your group joins with one code.