Whatstype is a free 16-type personality test for people who want a quick read on how they think, work and relate, without creating an account. The landing page has a Start Test button that takes you straight into the test.
It is a web product with no signup and no paid tier shown. The page also mentions compatibility, learning-style and career advice. The footer says it is for educational and reference use only.
Many personality quizzes ask you to sign up before you see a result. Whatstype was built as a short, no-signup test for self-understanding and career reflection.