MBTI Lens
Know yourself. Understand everyone.
A free 5-minute personality test for your iPhone — complete type profiles, compatibility insights, and personal growth tips.
See what's inside.
Breakdown of your MBTI personality type, romantic and friendship compatibility, and insights about interaction with those around you.
Everything you need to
understand personality.
A complete toolkit for self-discovery, better relationships, and personal growth.
Your personality decoded
Discover your strengths, blind spots, cognitive functions, and how your mind actually works. Based on Myers-Briggs personality theory, written in plain language.
Relationship compatibility
See which MBTI types you're most compatible with — in romantic relationships and friendships. Detailed match profiles for all 16 types with practical advice.
Career & growth insights
Find ideal career paths for your personality type. Explore what drives you, your leadership style, stress triggers, and strategies for personal growth.
Explore all 16 types
Browse detailed profiles for every MBTI personality type — INFJ, ENTP, ISFP, and all 16. Understand the people around you, even without taking the test.
Simple by design.
No account needed. No data collected. Just download and discover.
Take the test
Answer 64 questions in about 5 minutes. Rate each statement on a scale — there are no right or wrong answers.
Get your type
See your four-letter MBTI type with a percentage breakdown across all four dimensions: E/I, S/N, T/F, and J/P.
Explore everything
Deep-dive into your strengths, blind spots, compatibility with all 16 types, career profile, daily insights, and more.
Frequently asked questions
Everything you need to know about MBTI Lens.
What is MBTI Lens?
MBTI Lens is a free iOS app that lets you take a 5-minute MBTI personality test and discover your Myers-Briggs personality type. It provides detailed profiles for all 16 types, relationship compatibility insights, career guidance, and daily personality content — all without requiring an account or collecting any personal data.
How long does the MBTI personality test take?
The personality test takes about 5 minutes to complete. It consists of 64 questions where you rate each statement on a scale. There are no right or wrong answers — the test measures your natural preferences across four dimensions: Extraversion vs. Introversion, Sensing vs. Intuition, Thinking vs. Feeling, and Judging vs. Perceiving.
Is MBTI Lens really free?
Yes, MBTI Lens is completely free to download and use. There are no in-app purchases, subscriptions, or hidden fees. All features — including the personality test, type profiles, compatibility matching, and daily insights — are available at no cost.
Does MBTI Lens collect my personal data?
No. MBTI Lens stores all data locally on your device only. There is no account creation, no sign-up, and no personal data is sent to any server. Your personality results and preferences stay completely private on your iPhone.
What are the 16 MBTI personality types?
The 16 MBTI personality types are: ISTJ, ISFJ, INFJ, INTJ, ISTP, ISFP, INFP, INTP, ESTP, ESFP, ENFP, ENTP, ESTJ, ESFJ, ENFJ, and ENTJ. Each type represents a unique combination of four preference pairs. MBTI Lens provides in-depth profiles for every type, so you can learn about anyone — not just yourself.
Can I check my compatibility with other MBTI types?
Yes. MBTI Lens includes a compatibility feature that shows how your type matches with all 16 personality types in both romantic relationships and friendships. Each match profile includes what attracts you to each other, potential friction points, and practical tips for building a stronger connection.