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What is Quivre?

Quivre is an online kink quiz that lets any two users safely and accurately see how sexually compatible they are. And if both users give consent, it lets them each see the kinks/desires/fantasies they both share.

  • For couples: Quivre can be used as a communication tool to help deepen intimacy and openness.
  • For singles: Quivre can be used to help find compatible partners on any dating app (Tinder, Bumble, Facebook Dating, etc.).

It's free, and runs in any web browser (mobile or desktop).

Data on Quivre can be kept encrypted for maximum privacy and security.

There's a (somewhat dated) tutorial/demo video here.

Why should you cover Quivre?

Or: what makes it interesting/unique/noteworthy?

  • Genuine potential to go big. This is a real problem space with significant mainstream potential. But the problem remains mostly unsolved: several previous attempts (incl. Mojo Upgrade, We Should Try It) have tended to be quite rough, and none has yet managed to attract mainstream attention.

    It's just a matter of time (and finding the right approach) before something does. So Quivre's trying a number of new things in this space- incl. bringing a new level of polish, security, and class; plus a unique viral element (in the form of publicly-sharable "Quivre codes". Users can share their Quivre code on any dating app (e.g. Tinder) to immediately and safely see how sexually compatible they are (how many compatible desires they have, etc.).

  • Quivre offers a genuinely unique full-encryption privacy model that offers unprecedented data security.

    A simple litmus test: any site or app that allows any way to reset a forgotten password is demonstrably not using encryption in this way. Which means that the developers can see your data, and your data may be at risk of leaks in the event of a security breach. Quivre's been designed from the ground-up to do better.

  • Stats! All of Quivre's anonymized quiz answers are fully open. With several million questions already answered, this is probably the largest such dataset ever collected. And the data's interesting, take a look :-)
  • Honestly, Quivre just works. It does one thing, and does it well. Feedback from early users has been overwhelmingly positive. Quivre solves a real (and otherwise unsolved) problem with potential for significant mainstream interest. People will want to hear about Quivre.

What motivated Quivre?

In short: a desire for deeper intimacy! People often want the same things, but neither partner knows it because neither parter is brave enough to bring it up. This isn't conjecture; Quivre's internal statistics show that it's a fact, and that the magnitude may be more than many expect.

So how do you get people to open up and communicate more openly about what they want? Well, you can't. At least not at scale, not easily. Because opening up is scary - and for good reasons: there's often real risks involved.

This is where Quivre comes in. It tries to provide a safe way (and honestly, excuse) for couples to start communicating more (and more openly!) about sex and their honest sexual desires.

Ultimately the hope is that Quivre (or something like it) might act as a starting point for deeper, more honest intimate connections between partners - with less anxiety/risk.

Or alternatively stated: deeper intimacy, fewer landmines :-)

How does Quivre work?

Quivre users answer a number of frank, no-holds-barred questions about their honest sexual desires: scoring how much they dis/like certain things.

Once they're done answering the quiz, each user gets a unique "Quivre code" (like qfc3) that they can safely share with a partner, or on any dating/messaging/social app.

When users enter each other's codes, they'll see a measure of their sexual compatibility (e.g. 75%) - based on how well their answers fit.

For example:

  • Both users would love to have a threesome: this counts as a strong positive for compatibility.
  • One user would love to have a threesome, the other wouldn't mind: this counts as a mild positive for compatibility.
  • One user would love to have a threesome, the other is strongly opposed: this counts as a negative for compatibility.

After matching for sexual compatibility, users may choose to consent to disclosing their specific compatible desires.

And if both users then choose to consent, they'll each see a list of questions that they both responded positively to.

For example:

  • If both users want to have a threesome: this will be on the list.
  • If one user wants to have a threesome and the other not: this will not be on the list.

This means that it's possible for users to be completely open about expressing their honest desires without the risk of offending a partner. If one partner desires something the other doesn't, it won't show up.

Who made Quivre?

Quivre is a bootstrapped passion project by , a South African software developer currently living in Berlin.

He previously founded Miacup (a menstrual cup brand) and Wusoup (a social network for meeting new friends, using a unique algorithm for eliminating toxicity).

He's currently working on Quivre part-time, hoping to build it into a sustainable product if there's enough demand. If that happens, an extensive roadmap is planned for expand on the initial concept/protoype.


Write for questions, interviews, etc.

You'll get a response right away, directly from the founder- I'm super happy to answer questions and/or provide any other assistance.


  • The name Quivre is a play on "quiver" (to tremble, esp. with pleasure).
  • It takes about 1 second (and 512MB of memory) to attempt 1 password when decrypting a Quivre's user data. To crack (brute force) a single account with a typical password strength would take over 1 million years on dedicated hardware.
  • There's a large number of hidden "advanced" questions on Quivre that only show up if you've positively answered certain other questions. This helps keep the quiz friendly to casual users, without sacrificing depth. Each user's quiz gets tailored to them as they answer questions.
  • The first couple to really try an early test version of Quivre got a 100% match. We thought it must be a bug, but turns out they were just an exceptionally good (and rare!) fit.
  • It took about 600 hours (part-time) to build Quivre's first open-beta prototype.
  • The first 150 hours were spent almost entirely on getting the details of the security model worked out!
  • Quivre is written in the Clojure programming language, and runs on the Java virtual machine (JVM).

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