Crystal
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Learn something new about yourself every day.

Discover who you are with short, personalized assessments. Then become who you want to be with Crystal.

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2.5M+

users since 2015

80K+Chrome extension users

93% rated accurate by friends and colleagues

Don't take our word for it. Ask their friends.

Any personality test can claim to be accurate, but Crystal asks real people to rate each other's results. Across 22,902 ratings in our most recent study, 93.3% rated the results accurate.

93.3%

of ratings called the results accurate (4 or 5 out of 5). That's 22,902 ratings from 3,287 reviewers, of 1,698 people's results.

Average rating
4.6/ 5
average accuracy rating
Perfect score
68.4%
gave a perfect 5-star rating

How reviewers rated what they read

Each reviewer knows the person and reads that person's results, then rates each assessment from 1 to 5.

  • 5 / 568.4%
  • 4 / 524.9%
  • 3 / 55.4%
  • 2 / 51.0%
  • 1 / 50.4%

Every framework, rated by reviewers

FrameworkAverage4 or 5
Core Values4.7296.4%
Strengths4.6894.6%
Enneagram4.5892.1%
Big Five4.5492.5%
16 Types4.5492.3%
DISC4.5491.9%

And from users themselves

Nearly 9 in 10 users who rated their results call them accurate.

After each assessment, users can rate how accurate their own result felt. Of the 8,313 who did, 87.5% rated it 4 or 5, for an average of 4.4 out of 5 across 24,909 ratings. Rated as a whole, the full profile averages 4.42.

Reviewers rate a result higher than the person does on all six frameworks, 4.60 against 4.41 overall. The gap is widest on the Enneagram and narrowest on Strengths, and the likeliest reason is the simplest one: a friend asked to judge a description of someone they know has every reason to be generous.

Source: Peers against self, rated accuracy, 49,161 ratings, 23,347 from invited reviewers and 25,814 from the people themselves.

Steady as Crystal grows

Q2 2026
4.42
9,178 ratings
Q3 2026
4.41
15,780 ratings

Rating volume nearly doubled from one quarter to the next, and the score held.

About these numbers

Measured from Crystal's own data on September 24, 2026. Reviewers are colleagues and friends the user invites, so these ratings show how accurate results look to the people who know someone. They are not a scientific validity study, and reviews here mean a person reviewing a profile, not academic peer review. Rating is voluntary, so figures describe the people who chose to rate. The review program has run since April 2026. Staff, demo and test accounts are excluded, as are reviews of results that were later retaken.

4.6/5on G2, from 458 ratings

How Crystal works

Part personality test, part daily journal, part coach. All before breakfast.

Take a 2-minute assessment every morning and get fresh, personalized insights for your day.

  1. Step 1

    Check in every day

    A short check-in each morning, customized for your daily routine.

    Crystal

    7:45 AM

    to Marcus

    Your Tuesday gem is waiting · Oct 20

    Good morning, Marcus.

    Today's gem is about Energy & Stress. Let's find out what's really wearing on you. You've got 1 of your 7 gems this week.

    Start your Morning Check-in

  2. Step 2

    Answer a few questions

    Tell Crystal about your day, your goals, and what's on your mind.

    Where's most of your stress coming from lately?

    • Too much on my plate
    • A decision I keep putting off
    • Not knowing what comes next

  3. Step 3

    Learn something new

    Crystal gives you a gem of advice, based on everything it knows about you and your day.

    I noticed something about you today:

    Open decisions seem to be draining you more than a busy schedule.

    Marcus RiveraEnergy & Stress
    • Your stress peaks on Sunday night, not Monday morning, because that is when the week ahead feels open.
    • Conversations with Michelle bring your energy back faster than a long break.

Step 4

Get unstuck, clarify your vision, and build the life you want.

Crystal Premium turns every insight into a next step toward the life you want.

  • Career & skills

    Grow into work that fits who you are.

    • Where your career could go next
    • Which skills to grow next
    • The work that suits you
    • What your career adds up to

  • Relationships

    Connect better with anyone in your life.

    • Predicted personality profiles on LinkedIn
    • How to work with each person
    • A brief before every meeting
    • Compare with anyone you know

  • Goals

    Make real progress, every single day.

    • A first step for each goal, daily
    • Your progress, day by day
    • An analysis of every check-in
    • Weekly, monthly and quarterly memos
Learn about Crystal Premium

$49/month. Your assessments, profile, and daily insights are always free.

Your Crystal profile

Every assessment, blended into one profile.

Your personality, career and goals add up to a profile

100x deeper than a single personality test

1 in 13 people share your type. Nobody shares your Crystal profile.

A personality test puts you in a group. Crystal keeps narrowing it: by three assessments, about 100 times, and by the time it adds everything else it knows about you, the group is just you. Measured on 13,028 real Crystal users.

1 in 13

people share your personality type

Your 16-type result. Some types are far more common than others, so 1 in 13 is the average.

1 in 1,250

share your personality blend

Your 16 types, DISC style and Enneagram together. About 100 times more specific than your type alone.

Nobody

shares your Crystal profile

99.3% of the people who take all six assessments are already one of a kind, before Crystal adds your peer reviews, your story and what it learns coaching you.

How the crowd narrows

Each assessment reads a different side of you, so each one splits the group again.

Your 16-type result

1 in 13

+ your DISC style

1 in 123

+ your Enneagram type

1 in 615

+ your Enneagram wing: your blend

1 in 1,248

And then Crystal keeps learning

Big Five, Values and Strengths

Three more assessments: your broad traits, what matters most to you, and what you are naturally good at.

Friends and colleagues

People who know you rate how accurate your results are.

Your own ratings

You tell Crystal which parts of your profile are right and which miss.

Your story and vision

The chapters of your life so far, and who you want to become.

Daily coaching

Every warm-up and reflection, and every observation you confirm or correct.

More depth does not mean more guesswork: 93.3% of the friends and colleagues who rated someone's Crystal results called them accurate. See the benchmarks

About these numbers

Measured from Crystal's own data on October 2, 2026, using each person's latest result on each assessment. Staff, demo and test accounts are excluded, as are types people typed in rather than tested. “Share your result” is the average, across people, of how many others hold the same result. The 16 types are not evenly spread: the most common is held by 11.9% of people and the rarest by 1.4%. The 100x compares your type alone with your personality blend, on the same 13,028 people (7.9% against 0.08%, 99x, rounded; the blend figure, 1 in 1,248, is shown as 1 in 1,250). The all-six figure is a floor: with 10,327 people, no profile can be measured as rarer than 1 in 10,327. “A single personality test” means one that gives you one of 16 types.

 than a single personality test.

One-time assessments

Map who you are

Take each once to learn who you are.

  • PersonalityDISC, Enneagram, 16 Types, Big Five
  • ValuesCharacter Strengths, Core Values
  • BehaviorEnergy Patterns, Stress Patterns
  • CareerCareer Direction, Work Style
  • SkillsLeadership Style, Decision-making Style

Routine assessments

Keep it current

Short check-ins that keep it up to date.

  • DailyMorning Warm-up and Evening Reflection
  • WeeklyWeekly Check-in
  • MonthlyMonthly Check-in
  • QuarterlyQuarterly Check-in
  • AnnualAnnual Check-in

Every assessment is free. No trial, no end date.

Browse all 39 assessments
ai.crystalknows.com/profile
Marcus Rivera

My Personality Profile

Marcus Rivera

Initiator (DI) · Type 7 · ENTP

StrategicDirectCurious

He is a high-energy initiator who turns ideas into momentum and brings others with him. He moves fast, thinks big, and rallies the room, sometimes before the details are nailed down.

Personality Traits

ReservedOutgoing
EasygoingAssertive
MethodicalFast-paced
TrustingQuestioning

Communication Style

  • Lead with the takeaway, then fill in the detail.
  • Keep it quick and direct, skip the long preamble.
  • Give him room to think out loud and riff on ideas.

Core Motivations

Driven by
  • Momentum and visible progress
  • Big-picture vision and new ideas
  • Autonomy to move fast
Tries to avoid
  • Getting stuck in the details
  • Slow, bureaucratic process
  • Being boxed in by rigid rules

Energy Use

Charged by

  • Fast-moving projects with people
  • Brainstorming and starting new things

Drained by

  • Repetitive, solo execution
  • Long meetings with no decision
Profile AccuracyPeer ReviewsStress PatternsPerception GapGrowth Planand more
Build your free profile

This is one real profile, three chapters deep. Yours fills in the same way as you complete each assessment, no credit card required.

Ways to use Crystal

Put Crystal to work.

What people learn about themselves is most useful with other people: on your team, with your clients, and inside the products you build.

  • Crystal, for you

    Unlimited free assessments. Premium advice every day.

    Take every assessment, keep every result, and learn something new about yourself after every morning check-in, free with no end date. Crystal Premium ($49 a month, or $490 a year) turns all of it into advice, every day: insights on your profile and your career, predicted assessments for the people you meet, a first step for each goal every morning, and a memo on every week and month.

    Premium includes Crystal for Chrome: personality on any LinkedIn profile, and your coach on every new tab.

    Learn about Crystal Premium

  • Crystal for Business

    Assessments for your team and your clients.

    Run Crystal’s assessments across a team or a client roster, then go deeper with individual, pair and group reports on communication, motivation, conflict and team dynamics.

    Explore Crystal for BusinessRequest a demo
    “Crystal gives me insights and helps me connect with clients at a far deeper level than any Google search could.”
    John Barrows
    John Barrows · Founder & CEO, Sell Better

    Trusted by leading teams

    AdobeVerizonRandstadAmazon
    • G2 Leader, Summer 2024
    • G2 Leader, Spring 2024
    • G2 Momentum Leader, Spring 2024

  • Personality API

    Personality for builders, researchers and AI agents.

    The models behind Crystal, in your own product. Pull personality profiles and guidance over REST, or connect an AI agent through MCP so it understands the people it works with.

    Explore the APIFor AI agents

A note from the founder

Personality tests are useful tools, because they often put words to things that we already know to be true about ourselves and others. But a personality test can only tell you so much: it captures one dimension of your personality, at one specific point in time.

Crystal’s goal is to provide the deepest, most accurate picture of your personality with a combination of traditional assessments, AI-powered analysis, self-reflection, and peer reviews. With that information, we can help you understand others better, create a clear vision of your future, and provide personalized coaching to help you turn it into reality.

Drew D’Agostino

Founder, Crystal

Learn something new about yourself tomorrow morning.

Start with the free personality test today. Tomorrow morning brings your first check-in, and your first insight.

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