16 Personality Types Test

The 16 Personality Types Test is a free, 44-item self-report inventory from Science of Apps that takes about 9 minutes. It sorts your preferences into one of 16 personality types on four dichotomies — Extraversion–Introversion, Sensing–Intuition, Thinking–Feeling and Judging–Perceiving — using 44 forced-choice pairs in the style of Jungian type indicators, and gives your four-letter type with what each preference means. Original items; not the MBTI®. There are no right or wrong answers: answer every item to get your 16 Personality Types Profile result card (SOA-1PT), with your profile and what each scale means. It is based on Psychological Types (Collected Works, Vol. 6) (Carl G. Jung (Princeton University Press)).

Science of Apps offers a free 16 Personality Types Test, updated for 2026 and 2027. It measures your four-letter type across energy, information, and decisions and lifestyle preferences and gives instant results with a shareable certificate.

Start it on this page — no fee or sign-up. Answer all 44 items honestly (about 9 minutes, untimed), then see your profile with a score for every scale. Add your name to get a verifiable 16 Personality Types Profile result card, on screen, as a PDF and by email.

You answer 44 short items about how you usually think, feel and act. There are no right or wrong answers. Your answers are scored on 4 scales — Extraversion (E) vs Introversion (I), Sensing (S) vs Intuition (N), Thinking (T) vs Feeling (F) and Judging (J) vs Perceiving (P) — and you get a four-letter type, with what each scale means.

Professionals exploring how they work best, Teams comparing communication styles, Students choosing study and career paths, Coaches running workshops and Anyone curious about their type. It is a self-report tool for self-awareness, team conversations and career exploration in 2026 and 2027 — not a clinical or diagnostic test, and not a reason on its own to hire or reject anyone.

Combinations of four preference pairs from Carl Jung's theory of psychological types: where you focus energy (E or I), how you take in information (S or N), how you decide (T or F) and how you deal with the outside world (J or P). For example, INTJ or ESFP.

No. MBTI® is a registered trademark of The Myers-Briggs Company, and the official instrument is given by certified practitioners. This free test uses original items on the same four Jungian preference pairs. Type results are best used for self-reflection, not for hiring decisions.

Yes. The test is online, in English and free everywhere — people take it from India, the US, the UK, Europe, Africa, Latin America and Asia-Pacific. Your certificate is dated with your own local date and can be verified from anywhere at scienceofapps.com/certification/verify/.

44 items, untimed — most people finish in about 9 minutes. Answer with your first instinct; there is no pass mark.

No. It is a self-report inventory, not an exam: every honest answer is valid, and your result describes your preferences rather than your ability. Answer as you usually are, not as you think you should be.

Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.

On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.

You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.

No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.

Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.

Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.

No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.