CATS Personality Test

Service Overview

CATS Personality Test is a web service that compares human and feline personality traits to answer: “Which cat personality is most similar to yours?” The quiz takes about one minute.

We released it on February 22, 2025—Cat Day in Japan.

• C autiousness
• A utonomy
• T emperament
• S tability

Using these four original C‑A‑T‑S metrics, the test analyzes your personality and identifies the cat breed with the most similar traits.

Service Info

• Service Name: “CATS” — 16‑Type Personality Test
• Release Date: February 22, 2025 (Cat Day)
• Platform: Web browser
• Price: Free
• Official URL: https://cats16.com/

Development

• Programming Language: Next.js (React)
• IDE / Editor: Cursor
• Design Tool: Figma
• AI Tools
  • Code Assistance: Claude 3.5 Sonnet (Cursor Agent mode)
  • Cat Image Generation: Whisk (Google)
  • Questionnaire Authoring Support: Grok 3
  • Spec Exploration: ChatGPT‑4.5, Grok 3
  • Design Review: Gemini 2.0 Pro