The ICA and 16Personalities compared
Both tests are free. They differ in theory, in what you get back and in where your answers go.
40 questions, about 15 minutes. No account. Your answers stay in your browser.
Side by side
| The ICA | 16Personalities | |
|---|---|---|
| Core test price | Free | Free |
| Paid upgrade | $48 report, or $98 a year | Premium Career Suite, 29 € (price shown to us) |
| Time stated by the provider | About 15 minutes, 40 items | "10 minutes" |
| Account | None | Optional |
| Where results are kept | In your browser | On the provider's servers and in cookies |
| Result | 24 ranked profiles plus three faculty scores | 16 types, each with an Assertive or Turbulent variant |
| Practitioner certification | $1,998, a private credential | None listed |
Checked on 13 October 2026 from the providers' own pages: 16Personalities test page, 16Personalities privacy policy, 16Personalities premium. Prices change; check the providers' sites before you buy. 16Personalities showed euro prices to our location.
Different theories
16Personalities says its framework "reworks the Big Five" into five spectrums and is not the MBTI® assessment, even though it uses four-letter codes (16Personalities). The ICA is built on the thinking, feeling and willing tradition and ranks four dimensions into 24 profiles.
See your own profile. 40 questions, about 15 minutes. No account. Your answers stay in your browser.
Take the free testWhere your answers go
16Personalities stores data on its own servers, uses cookies (including to keep test results) and Google Analytics, and lists processors for payments, email and AI content generation (privacy policy, updated 9 September 2025). The ICA scores your answers in your browser and keeps them there; this site runs no analytics or advertising scripts.
What 16Personalities offers
- Detailed free type descriptions and articles
- Its Pro Suite lists "All 31 Tests and Tools" (premium page)
- Team assessments and reports for professionals
What the ICA adds
- No data leaves your device
- Three faculty scores and 24 ranked profiles
- A practitioner license and certification
- Grounded in analytical psychology, behavioral science and neuroscience, with its accuracy under active study
Trademarks
MBTI and Myers-Briggs are trademarks or registered trademarks of Myers & Briggs Foundation, Inc. in the United States and other countries. 16Personalities is a trademark of NERIS Analytics Limited. ICAPsychometrics is independent and is not affiliated with, endorsed by or sponsored by either company. The names are used only to identify their products for comparison.
Common questions
How is the ICA different from 16Personalities?
16Personalities is free, says it takes 10 minutes and describes its model as a reworking of the Big Five; an account is optional, and results are stored on its servers. The ICA is built on the thinking, feeling and willing tradition, ranks four dimensions into 24 profiles and keeps results in your browser.
Does 16Personalities need an account?
No. Its privacy policy says an account is optional. Your test data is still stored on its servers and in cookies.
Where are my answers stored?
In your browser. The online test scores your answers on your device and keeps your history in your browser's local storage. Nothing you answer is sent to us.
Keep reading
The ICA and the MBTI® assessment compared
The ICA and the MBTI® assessment compared on price, time, privacy, results and research, with the MBTI retest data and sources, checked 13 October 2026.
The 24 personality profiles
All 24 ICA personality profiles, from The Systems Architect to The Energetic Catalyst: what each means, its natural contribution and its growth area.
Privacy policy
What stays on your device and what we receive.
See your own profile
40 questions, about 15 minutes. No account. Your answers stay in your browser.