Compatibility Test

Wondering how well you and your partner really fit together? This free compatibility test turns that question into a score you can both look at. Enter your two names, answer 10 quick questions each — separately, on the same device, with your answers hidden from each other — and in about 3 minutes you get a compatibility percentage, a breakdown across five areas of everyday life, and the exact questions where you matched or differed. No sign-up, no cost, and nothing you answer is sent anywhere: the whole test runs on your device.

 

It is a light-hearted test, built for honest conversation rather than verdicts. Take it together, read the result together, and talk about the parts that surprise you — that conversation is where the real value is.

Free Compatibility Test for Couples

Answer 10 quick questions each and see how well your habits, values and communication styles fit together. Takes about 3 minutes.

✔ No sign-up✔ Answers stay on your device✔ Get conversation starters

Your answers are hidden. Pass the device to your partner so they answer honestly without seeing yours.

Your score by area

Where you click

Worth talking about

Question-by-question

Share or try again

At a glance:

  • What it is: A compatibility test for two people — partners, a couple, or a crush — based on how your everyday habits and preferences line up.
  • How it works: Two names, then 10 questions each, answered separately on one device. Your answers stay hidden until both of you are done.
  • What you get: An overall compatibility percentage, a label for your match, scores for Communication, Conflict, Lifestyle, Values and Affection, your two strongest areas, the two areas most worth talking about, and a question-by-question breakdown.
  • Time: About 3 minutes.
  • Cost: Free. No sign-up, no account, and your answers stay on your device.

What Is a Compatibility Test?

A compatibility test is any structured way of comparing two people to see how naturally they fit together — how they communicate, handle disagreement, spend their time and money, and show affection. Instead of a vague feeling of “we click” or “we clash,” a test breaks the fit into parts, scores each part, and shows you where you are aligned and where you are different. Some tests ask questions, like this one. Others compare birth dates, zodiac signs, names or full birth charts. All of them are trying to answer the same old question in a structured way: are we a good match?

People have been asking that question for very long time. Astrologers have compared birth charts for centuries — the technique of overlaying two charts is called synastry, and matching traditions exist in many cultures, from Western horoscope matching to the guna scoring used in Indian Kundli Milan. Numerologists reduced names and birth dates to numbers — a life path number from a birth date, a Name Number from the letters of a name — and compared those. Schoolyards produced the FLAMES game, crossing out shared letters between two names to land on Friendship, Love, Affection, Marriage, Enemy or Sibling. The internet turned all of these into instant love calculators and quizzes, and social media turned one of them — the moon phase test — into a global trend.

Here is the honest part, stated plainly because it matters: no compatibility test of any kind has been scientifically shown to predict whether a relationship will last. The largest research effort on the question (a 2020 study by Samantha Joel, Paul Eastwick and dozens of co-authors, combining 43 datasets and more than 11,000 couples) found that what predicts relationship quality is mostly how the two people treat each other inside the relationship — feeling appreciated, feeling that your partner is committed, being able to repair after an argument — far more than any matching of traits, signs or scores. Serious clinical tools exist on that research side of the fence, such as the Gottman Relationship Checkup and the PREPARE/ENRICH assessment used in premarital counseling, and even those are conversation frameworks administered by professionals, not fortune-tellers.

So what is a test like this one actually for? Three things. Fun — it is enjoyable to compare answers and see a score. Self-reflection — the questions make you notice your own habits, some of which you have never said out loud. And conversation — a result gives two people a neutral, low-pressure way to talk about the exact topics couples researchers keep returning to: communication, conflict, shared values and goals, intimacy and affection, and the practical shape of daily life. Treat the score as the start of that conversation and the test has done its job.

How This Compatibility Test Works

The steps

  1. Enter two names. Yours and your partner’s — or your crush’s. The names personalize the result; the two names just need to be different from each other.
  2. Partner 1 answers 10 questions. One device, one person at a time. Each question has four answers, from the most hands-on style to the most hands-off, and there are no right or wrong choices — only honest ones.
  3. Pass the device. After the tenth question, a handoff screen appears. Partner 1’s answers are hidden, and the device passes to partner 2.
  4. Partner 2 answers the same 10 questions — without seeing what partner 1 chose. That hidden-answer design is deliberate: it stops the second person from simply matching the first.
  5. See your result together. The moment partner 2 finishes, your result is ready: an overall score in a percentage ring, a label for your match, a score bar for each of the five areas, your two strongest areas under “Where you click,” the two areas flagged as “Worth talking about” with a practical suggestion for each, and a question-by-question breakdown that marks every question Same, Close or Different, with both answers shown side by side.
  6. Share it or retake it. Your result can be shared with a link — the link itself carries your names and answers, so it opens the same result for whoever you send it to. You can also copy the link or retake the test any time.

How the score is calculated

There is no random number generator and no hidden formula. Each question is worth match points based on how close your two answers are: identical answers earn the most, answers one step apart earn a solid share, and answers at opposite ends earn the least. Your ten question scores are averaged into the overall percentage, and the questions are grouped into the five areas below, each of which gets its own percentage from its two questions. The same two sets of answers always produce the same score, so results are comparable — retake it after a real conversation and any change in the score reflects a real change in answers.

The five areas, explained

  • Communication — how quickly you each raise something that is bothering you, and how much day-to-day contact you each like. Couples rarely want the exact same rhythm; this area shows whether yours are in step.
  • Conflict — what you each need after an argument (to fix it now, a short break, a day to cool off) and how you each tend to behave inside a disagreement. Conflict style is one of the best-evidenced topics in relationship research: repair matters more than never arguing.
  • Lifestyle — your ideal Saturday and your instinct with money, spending versus saving. Practical, unglamorous, and the stuff daily friction is actually made of.
  • Values — where you each want to be in five years and how much family time matters to you. This is the long-direction area: the picture of a good life you are each quietly aiming at.
  • Affection — how much physical affection you each like and how much time alone you each need. Two people can care deeply and still want very different amounts of closeness and space; this area makes that visible before it becomes a misunderstanding.

What Your Compatibility Score Means

Your overall percentage comes with one of four labels. The labels describe how similar your everyday styles are — not whether your relationship is good or doomed. Read yours, then look at the five area scores underneath it, because the areas are where the useful detail lives.

85% and above — Very strong match

You are alike in most everyday things: you tend to raise problems the same way, want similar amounts of contact, affection and space, and picture a similar kind of life. That kind of ease is genuinely pleasant — and the one thing to watch is autopilot. When everything feels natural, couples can stop actually checking in. Keep talking, and let the question-by-question breakdown show you the few places you do differ before they surprise you.

70% to 84% — Good match

You fit well in most areas, with a few differences that are worth talking about. This is the most common landing zone for happy couples: a solid shared foundation, plus two or three spots — flagged for you under “Worth talking about” — where a short, honest conversation will do more than any score can. A difference named is a difference you can plan around.

55% to 69% — Workable, with some differences

You have real differences in some areas. That is normal, and it is not a warning sign by itself — plenty of strong couples land here, especially couples whose strengths are complementary rather than identical. What matters is whether the differences are understood. Use the breakdown: a “Different” on how much time alone you need is a scheduling conversation; a “Different” on where you want to be in five years is a bigger one, and it is better had early and kindly than late.

Below 55% — Different styles

You approach everyday life differently in many areas — different instincts on talking, arguing, spending, socializing and showing affection. Similarity is not what makes relationships work, but difference raises the amount of understanding and compromise required, and it helps to go in with your eyes open. The breakdown shows you exactly where the gaps are, which is the most useful thing a score this honest can give you: a map of the conversations that matter most.

Reading the five area scores

  • A high area score (roughly 75%+) means your instincts in that area naturally line up — lean on it as a foundation when other areas feel harder.
  • A mid area score (roughly 55–74%) usually means you are one step apart on both questions — close enough that a small adjustment from each of you meets in the middle.
  • A low area score (below 55%) means your default settings genuinely differ. The test pairs each of your two lowest areas with a concrete suggestion — read those first; they are written for exactly your situation.

And one perspective the test itself cannot give you: a score measures similarity of style, and similarity is only one ingredient. Trust, kindness, commitment and how you repair after conflict are built daily, by both of you, and no percentage — high or low — replaces them.

Types of Compatibility Tests

This quiz is one member of a large family. Knowing the main types helps you pick the one that matches what you are actually curious about — and explains why different tests can give the same couple very different results.

Quiz-based compatibility tests

Both partners answer the same set of questions and the overlap is scored — this page’s test is one, and so are the long clinical assessments used by counselors. Strength: it measures real, stated preferences about everyday life, and the answers themselves start conversations. Limit: it only knows what you tell it, so honesty decides the quality of the result.

Name compatibility tests

A name compatibility test compares two names — by their letters, as in the FLAMES game, or by converting each name to a numerology number and comparing those. Strength: instant and fun; you only need two names, so it works for a crush whose birthday you do not know. Limit: a name is a label, not a person — treat the result as a game.

Zodiac compatibility tests

A zodiac compatibility test compares your sun signs, traditionally through the four elements — fire signs (Aries, Leo, Sagittarius) with air signs (Gemini, Libra, Aquarius) are said to spark easily, earth signs (Taurus, Virgo, Capricorn) with water signs (Cancer, Scorpio, Pisces) to ground each other — and through sign-by-sign pairings. Strength: centuries of tradition give it a rich vocabulary for personality styles. Limit: a sun sign is one layer of a person; even astrologers say so.

Numerology compatibility tests

Numerology reduces each birth date to a life path number (and names to Name Numbers, with master numbers 11, 22 and 33 kept whole) and compares the numbers. Strength: simple, personal, and consistent — the same dates always give the same pairing. Limit: the system is symbolic rather than evidenced, and a single digit is a very small lens for a whole relationship.

Birth chart and synastry tests

The deepest astrological method: two full birth charts — sun, moon, Venus, Mars, rising sign, houses and the aspects between the two charts — compared in a technique called synastry. Strength: by far the most detailed symbolic reading available. Limit: it needs exact birth times and places, takes real expertise to read well, and remains a tradition rather than a measurement.

Moon phase compatibility tests

This test compares the moon phase on the day each of you was born. The tradition says the two birth moons are halves of one story: if your phases combine to complete a full moon, the pairing carries a special charge (see the next section for the phases, the completing pairs and the labels). Strength: personal to your exact birth dates, visually beautiful, and the engine behind a genuine social-media phenomenon. Limit: like all symbolic tests, it describes a pattern — it does not predict an outcome.

The TikTok compatibility tests

TikTok made two versions famous: a fast username-matching test people run on each other for fun, and the birth-date moon phase trend that filled the app with two-moons-overlaid videos. If the version you saw was the username one, we have a whole page for it: try the compatibility test tiktok that couples are sharing, with its own result meanings explained. The moon version is covered in the next section — and it is this site’s specialty.

Which type should you use?

Use a quiz (this page) to compare how you actually live and what you actually want. Use a name or numerology test for a two-minute bit of fun. Use zodiac or synastry if you enjoy the astrological tradition and want its language for your personalities. And use the moon phase test when you want the birth-date one — the one with a story behind it. None of them outrank the oldest test of all: how the two of you actually treat each other.

The Other Compatibility Test: The Moon Phase Soulmate Test

The quiz above compares how you live. There is another compatibility test — the one this site is named for — that compares something you cannot change and never chose: the moon you were born under.

The idea comes from the TikTok moon phase trend, and it is simple. The moon runs through a cycle of about 29.5 days, passing through eight phases between one new moon and the next. In the tradition behind the trend, the phase on your birthday says something about your emotional rhythm — and when two people’s birth phases are placed side by side, the question is whether together they complete a full moon. Two moons that add up to a whole, lit disk are said to be two halves of one picture. That is the entire test: find both birth moons, lay them over each other, and see what they make.Compatibility test — the eight moon phases and the pairs that complete a full moon

The eight moon phases in compatibility

Moon phaseWhere it sits in the cycleWhat it is said to bring to a match
New MoonDay 0 — the cycle begins, moon darkBeginnings, instinct, a private inner world; a starter who plants seeds quietly
Waxing CrescentDays ~4–7 — a sliver of light growsHope and momentum; encourages a partner, builds toward something
First QuarterDay ~7 — half lit, waxingDrive and decision; pushes through obstacles, likes a challenge to answer
Waxing GibbousDays ~11–14 — almost fullRefinement and devotion; works on the details, adjusts for the other person
Full MoonDay ~15 — fully litIntensity and openness; feels everything at full volume, hides little
Waning GibbousDays ~18–22 — light begins to easeGratitude and teaching; shares what it has learned, generous with perspective
Last QuarterDay ~22 — half lit, waningReflection and release; questions old patterns, forgives, lets go
Waning CrescentDays ~26–29 — the last sliverRest and intuition; dreamy, wise, recharging before the next beginning

The four completing pairs

Because the cycle is a circle, every phase has an opposite — the phase half a cycle away, whose lit and dark portions are the mirror of its own. Put the two together and the disk is complete. Those four opposite pairings are the heart of the test:

PairWhat completes what
New Moon + Full MoonThe darkest night and the brightest — the beginning and the peak
Waxing Crescent + Waning GibbousThe growing sliver and the easing glow
First Quarter + Last QuarterThe two half moons, facing opposite directions
Waxing Gibbous + Waning CrescentThe almost-full moon and the final sliver

In the trend’s language, the labels go like this:

  • Soulmate pairing — your two phases complete a full moon. The tradition reads this as two people who supply what the other lacks: a natural balance of light and dark, push and rest.
  • Twin flame pairing — you were born under the same phase. A mirror match: the same emotional rhythm, the same instincts, an intensity that comes from seeing yourself in someone else.
  • Complementary pairing — your phases sit next to each other in the cycle. Close rhythms that support and continue each other, like consecutive chapters.
  • Contrasting pairing — your phases sit a few steps apart without completing the disk. Different rhythms that have to learn each other’s timing — the pairings the tradition says grow the most, precisely because they do not start out in sync.

Moon phase is not moon sign

One confusion is worth clearing up, because the two are mixed up constantly. Your moon sign is the zodiac sign the moon was passing through on your birthday — it changes every two to three days and belongs to astrology. Your moon phase is the shape of the moon itself — how much of it the sun was lighting — and it is pure astronomy: anyone, anywhere, can look it up for any date. The moon phase test uses the phase. You do not need a birth time or a birth place to find yours; the date alone is enough, except on the rare boundary days when the phase changes (each phase lasts about 3.7 days, and the calculator handles the exact moment for you).

Curious which one you are? Run your two birthdays through the Moon Phase Soulmate Calculator on our homepage — it shows both birth moons, whether they complete a full moon, and your pairing label. For the full method, every pairing and the chart behind it, read our complete lunar compatibility guide.

How to Get an Honest Result

A quiz can only score what it is told. Five habits make the difference between a result worth discussing and a number worth ignoring:

  1. Answer for yourself, not for the relationship. Pick the answer that describes what you actually do — not what you wish you did, and not what you think your partner would want you to pick. The test compares two real people; two idealized people always score 100% and learn nothing.
  2. Do not peek, and do not coordinate. That is why the handoff screen hides partner 1’s answers. If you watch each other answer, the second person’s honesty quietly disappears, and the breakdown — the most useful part — goes flat.
  3. Take it together, in one sitting. Three minutes, same device, same mood. Taking it days apart, or one of you taking it “for” both of you, breaks the design and the result.
  4. Read the breakdown before the number. The percentage is a headline; the question-by-question Same / Close / Different list is the article. A couple at 68% with two clear “Different” questions knows more about their relationship than a couple at 91% who never looked.
  5. Actually talk about the “Worth talking about” section. The test picks your two lowest areas and suggests a concrete conversation for each — how you will pause and return after an argument, what a good week looks like for both of you, what you each want from the next five years. Those conversations are the mechanism by which real compatibility grows; the score just tells you where to have them.

And if your result is lower than you hoped: retaking it until the number improves proves nothing, but retaking it in six months — after you have genuinely talked — is a fair way to see whether your answers, and not just your hopes, have moved.

Ready for the other test? When you have your quiz result, try the birth-date version: the Moon Phase Soulmate Calculator shows the moon phases you were both born under and whether they complete a full moon. Two tests, two angles — one about how you live, one about the sky on the day you arrived.

Frequently Asked Questions

What is a compatibility test?

A compatibility test is a structured way of comparing two people to see how well they fit together. Some tests ask both partners the same questions and score the overlap, like the quiz on this page. Others compare names, birth dates, zodiac signs, numerology numbers or the moon phases on your birthdays. All of them are best used as conversation starters — none can predict whether a relationship will last.

You enter two names, then each of you answers the same 10 questions separately on one device — a handoff screen keeps the first person’s answers hidden. Each answer earns match points based on how close your two choices are, and the ten questions are averaged into an overall percentage, with separate scores for Communication, Conflict, Lifestyle, Values and Affection.

Ten questions each — twenty answers in total — across five areas of everyday life, two questions per area. Most couples finish in about 3 minutes.

Yes. It is completely free, with no sign-up, no account and no limit on how many times you can take it.

No. The test runs entirely on your device and your answers are not sent to us or stored. One caution: if you use the share button, the link it creates contains your names and answers encoded in the link itself, so anyone you send that link to can open your result. Only share it with people you are happy to show.

On this test, 85% and above is labeled “Very strong match,” 70% and above “Good match,” 55% and above “Workable, with some differences,” and below 55% “Different styles.” Most real couples land in the middle two bands. The five area scores matter more than the headline number — they show exactly where you click and where a conversation would help.

Yes — use the Retake button and answer again. Because the scoring is fixed, the same answers always give the same score, so a changed score after retaking means your answers genuinely changed. Many couples retake it after a few months to see whether the conversations the first result started have shifted anything.

The test is designed for two people on one device, so both sets of answers are honest and independent. You can run through it solo to see the questions, but a result based on you guessing your partner’s answers measures your guesses, not your compatibility. It takes about 3 minutes — worth waiting until you are together.

It accurately reports how similar your answers are — that part is simple arithmetic. What no test can do is predict a relationship’s future. Research on more than 11,000 couples found that relationship quality is predicted far more by how partners treat each other day to day — appreciation, commitment, repairing after arguments — than by any matching of traits. Enjoy the score, and let it start conversations rather than settle them.

It is the other famous compatibility test: instead of questions, it compares the moon phase on the day each of you was born. If your two birth phases combine to complete a full moon, the tradition calls it a soulmate pairing; the same phase for both is called a twin flame pairing. You can run it free with the Moon Phase Soulmate Calculator on our homepage — all it needs is two birthdays.

Your moon sign is the zodiac sign the moon was in on your birthday — an astrology concept that changes every two to three days. Your moon phase is the shape of the moon itself, how much of it was lit by the sun — an astronomy fact anyone can look up for any date. The moon phase test on this site uses your phases, not your signs, and needs only your birth dates, not your birth time or place.

They answer different questions. The quiz compares how you actually live: communication habits, conflict styles, lifestyle, values and affection. The moon phase test compares the phases you were born under, in the language of the soulmate tradition. Take the quiz for a practical snapshot of the two of you today; take the moon test for the birth-date version with the story behind it. Plenty of couples take both — they take about five minutes combined.

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