What "free" usually means on a brain test site
It is worth being specific, because the word has been stretched thin. On most large testing sites you answer twenty or thirty questions, watch a progress bar fill, and then reach a screen announcing that your score is ready — behind five to nine dollars. Others show a number but hold the explanation, the percentile or the certificate back. Others still are free but require an email, which is the same transaction paid in a different currency. None of that happens here: the score appears on the screen the moment you finish, the explanation is on the same page, and nothing asks who you are.
What you get without paying or registering
| Feature | Here | Typical paid site |
|---|---|---|
| Your score | Immediately | After payment |
| Score interpretation | On the page | In the paid report |
| Percentile | Shown | Paid extra |
| Email required | Never | Usually |
| Retakes | Unlimited | Often one per purchase |
So how does a free site work?
A fair question, and the answer is unglamorous: these tests are cheap to run. Everything is scored in your browser, so there is no server doing work per visitor. The questions were written once. The only recurring cost is hosting a few hundred kilobytes of text and a small database for the leaderboards. A site that charges for a score is not covering a cost, it is monetising the moment of curiosity right after you finish — which is exactly the moment we think the number should simply be shown to you.
What your data does and does not do
Answers are processed in your browser and never transmitted. There is no account to create, no email field anywhere, and no advertising or tracking cookies. The only information that ever leaves your device is a nickname and a single number, and only if you choose to press submit on a leaderboard after finishing a speed or memory game. Your theme choice and last nickname sit in local storage on your own machine; clearing your browser data removes them.
Which free test to take first
For a number on the familiar scale, the free IQ test: thirty questions, twenty-five minutes. If English is not your first language, the culture fair test uses shapes only and is the fairer measurement. In a hurry, the quick five-minute test gives a rougher estimate honestly labelled as such. And if you want something immediate and oddly addictive, reaction time takes under a minute.
The one thing we will not give you for free
A guarantee that the number is clinically accurate — because no online test can honestly offer that, paid or otherwise. A supervised assessment controls the room, the timing and your history with similar material, and a web page controls none of them. Treat any result here as a band of roughly ten points and as a starting point for curiosity. That caveat is the same one the paid sites should be printing, and usually do not.
Frequently asked questions
Is this brain test completely free?
Yes. All 54 tests are free, the score appears immediately, and there is no payment, no registration and no email at any stage.
Do you require an email address?
No. There is no email field anywhere on the site, including on the results screens.
Is there a paywall after the test?
No. Your score, its interpretation and the percentile are all shown on the results page itself.
How can the tests be free?
Everything is scored in your browser rather than on a server, and the questions were written once. The running cost is hosting text, which is small.
Can I retake the tests?
As many times as you like. Bear in mind that repeat scores drift upward because you have learned the formats, so your first attempt is the most honest one.
Do you store my answers?
No. Answers never leave your browser. Only a nickname and a single score are sent, and only when you press submit on a leaderboard yourself.