Decision notes / honest comparisons

How Deep Personality Compares

Not every test is trying to do the same job. These notes separate fast personality entertainment from deeper psychological synthesis, and show who each product is actually for.

Individual is $9.99 per month, partner comparison is $14.99 per month, a one-year gift is $29 for Individual or $49 for Comparison, and lifetime access is $149 once. Full price list.

No fake neutralityThese pages say where Deep Personality wins and where faster products are better.

Depth criteriaWe compare model validity, synthesis, report usefulness, and time-to-insight.

Clear fitThe goal is helping someone pick the right tool, not dunking on alternatives.

What we compare on

Four criteria, every page

Model validity

Is the underlying science replicable, or just memorable?

Synthesis

Separate scores, or one integrated picture of how they interact.

Report usefulness

A label to share, or insight you can actually act on.

Time to insight

Five fast minutes versus a deeper 35-50 minute read.

Comparison 01

Big Five vs MBTI (Myers-Briggs) — spectra vs types

The Big Five places you on five continuous spectra. MBTI and Myers-Briggs assign a four-letter type.

If you want spectrum scores instead of a type

Comparison 02

HEXACO vs Big Five — and vs 16Personalities

HEXACO is a six-factor trait model. 16Personalities is a type. This product scores five IPIP-50 domains, then attachment.

If you want IPIP-50 plus attachment, not a sixth HEXACO factor

Comparison 03

Deep Personality vs Truity

Truity is a catalog of tests. This path is IPIP-50, then an attachment overlay, then an optional partner comparison.

If you want IPIP-50, an attachment overlay, and a partner comparison — not a test menu

Comparison 04

Attachment Project quiz alternatives

The ECR-R scores attachment anxiety and avoidance on their own. Deep Personality adds those dimensions next to the IPIP-50 and a partner comparison, and does not administer the 36-item ECR-R.

If you want IPIP-50 plus attachment, not a standalone typed quiz

Comparison 05

Deep Personality vs Open Psychometrics

They host a free, research-oriented IPIP-BFFM dump. We run IPIP-50, then an attachment overlay, then an optional two-completer comparison.

If you want IPIP-50 plus attachment, not a standalone IPIP-BFFM dump

Comparison 06

Deep Personality is a product alternative to Understand Myself

Understand Myself is Jordan Peterson’s paid BFAS-10 aspect report ($9.95, ten aspects). Deep Personality runs IPIP-50 domains: a free teaser, then the full path, an attachment overlay, and an optional partner comparison.

If you want IPIP-50 domains, not a $9.95 BFAS-10 aspect report

Comparison 07

What a more accurate personality test can honestly mean

Accuracy is not a marketing number. It is whether the score stays in the same neighborhood, and whether it measures the thing on the label.

If you want an honest take on what "accurate" can mean

HEXACO vs Big Five — six factors vs five

HEXACO adds Honesty-Humility as a sixth factor. We run IPIP-50 — not a HEXACO inventory.

Related page next to /vs/hexaco

Big Five vs Myers-Briggs — spectra vs types

Big Five scores are spectra. Myers-Briggs is a type. We run IPIP-50 — not a four-letter type, not official MBTI.

Big Five vs 16Personalities — spectra vs 16 types

This is the comparison of Big Five spectra and 16Personalities types. We run IPIP-50 — not a 16-type label, not official MBTI.

Spectra versus a 16-type label.

16Personalities alternatives

The best replacement depends on the goal: a free Big Five, a four-letter type, traits and strengths, Enneagram, career interests, or IPIP-50 plus attachment.

Pick by what you want.

Enneagram vs Big Five — types vs continuous traits

Enneagram is nine types. The Big Five is continuous scores. We run IPIP-50 — not nine types, not a type-to-trait mapping.

Truity vs 16Personalities — where does IPIP-50 sit?

Truity is a catalog. 16Personalities assigns a NERIS type. We run IPIP-50 — not TypeFinder, not official MBTI, not NEO-PI, not IPIP-NEO.

Related page next to /vs/truity

Scientifically validated personality test — Big Five / IPIP, not MBTI

Widely used research instruments include NEO PI-R, BFI-2, HEXACO-PI-R, and MMPI-3. We run IPIP-50 — not the NEO, not a type. The full assessment also includes HEXACO-60.

Best personality test — a scored Big Five (IPIP-50), not a type

Widely compared options include Big Five/OCEAN (Personality Metrics), HEXACO, MBTI, and CliftonStrengths. We run IPIP-50, then attachment, then an optional comparison.

Best Big Five personality test — a scored IPIP-50, not a type quiz

Widely used research instruments include IPIP-NEO-120, IPIP-NEO-300, and BFI-2. We run IPIP-50 — fifty Goldberg items, five OCEAN scores — then optional attachment and an optional comparison.

Most accurate personality test — reliability and validity, not a percentage

Widely used research instruments include IPIP-NEO-300 and the Big Five (FFM). Accuracy here means test-retest and validity. We run IPIP-50, then HEXACO-60, then attachment, then an optional comparison. We are not IPIP-NEO.

Best attachment style test — ECR-R first, then our overlay

The published two-dimension adult measure is the 36-item ECR-R. We overlay anxiety and avoidance on IPIP-50. We do not administer the 36-item ECR-R.

Personality test for relationships — two people, not a chat

A personality test for relationships is not an interview to run in chat. Two people each take IPIP-50, then an attachment overlay, then a side-by-side comparison. Not a compatibility type.

Best couples app — the pick depends on the job

Daily check-ins, conversation prompts, quizzes, and research assessments are different products. For measured personalities side by side, Deep Personality is two IPIP-50 profiles, an attachment overlay, and a partner comparison. It is not a daily habit app.

The answer by job is /best-couples-app

Deep Personality is a product alternative to Understand Myself

Understand Myself is Jordan Peterson’s paid $9.95 BFAS-10 aspect report. Deep Personality runs IPIP-50 domains, an attachment overlay, and an optional partner comparison.

Understand Myself’s report is a paid $9.95 aspect product. Deep Personality pricing

Truity alternative — IPIP-50, not a test menu

People comparing a Truity alternative also name 16Personalities, Open Psychometrics, TraitLab, and Your True Self. Truity is a catalog. We run IPIP-50, then attachment, then an optional comparison.

Related page next to /vs/truity

TraitLab alternative — IPIP-50 Big Five, not 16 types

TraitLab is a real Big Five trait-score product, and a 16Personalities alternative that scores traits. We run IPIP-50, then attachment, then an optional comparison.

Related page — scores, not 16 types

Dimensional alternative — IPIP-50 on the web, not the Dimensional app

Dimensional is a real personality-test app. People looking for a personality test app sometimes see it next to Deep Personality. We run IPIP-50 on the web, then attachment, then an optional comparison.

Human Design vs a personality test — birth chart vs IPIP-50

Human Design uses birth data. The APA describes the Big Five as a research model of personality. We run IPIP-50 item responses, then attachment, then an optional comparison.

Related page — birth chart vs scores

Free IPIP personality test — IPIP-50, not ori.org

Other free IPIP hosts include ipiptest.com, Open Psychometrics IPIP-BFFM, and ipip.ori.org. We run IPIP-50. We use IPIP items; we are not ori.org.

Attachment style quiz — not in chat, not a typed first step

Do not take an attachment style quiz in chat. Attachment Project is a typed quiz. We overlay attachment on IPIP-50. The free 10-item quiz does not score attachment.

Free attachment style test — quiz first, scores in the full assessment

There is no separate free attachment product. The 10-item quiz is free and does not score attachment. Attachment scores and their chart come with the full assessment.

Free attachment quiz — Big Five first, then an IPIP-50 overlay

The free 10-item quiz is a Big Five teaser and does not score attachment. Attachment scores and their chart come with the full IPIP-50 assessment. Then an optional partner comparison.

Shorter page next to /attachment-style-quiz

Attachment test — Big Five + overlay on IPIP-50

The shorter attachment page next to the attachment style test. The free 10-item quiz does not score attachment. The full path is IPIP-50, then an attachment overlay, then an optional partner comparison.

Personality Metrics alternative — IPIP-50, not that site

Personality Metrics is a separate Big Five site people name as a 16Personalities alternative. We are not that site. We run IPIP-50, then attachment, then an optional comparison.

Based on real psychology research

Stop comparing tests. Take the one that describes you.

Start free and see whether Deep Personality gives you words for what you have always felt but could not explain.

Start the Free Assessment

28 research-backed assessments10,000+ word report35-50 minutes

“Surpassed what I achieved in nearly two years of regular therapy.”

Daniel Rall, Engineering Manager at Google

Deep Personality

Loading…

Deep Personality vs Other Personality Tests | Honest Comparisons