Compatibility, compared

Plain-language guides to how dating apps, couples apps and personality tests measure compatibility. We include MakeChoice and say where other apps do better.

Dating apps and compatibility

• Dating App Compatibility Compared (2026): Hinge, Bumble, Tinder, OkCupid, eharmony, Coffee Meets Bagel and More

  Each dating app measures something different: Hinge predicts mutual interest from your activity, OkCupid scores agreement on questions you both answered, eharmony uses an 80-question personality quiz, and Boo and So Syncd match by MBTI-style type. None of them shows how two people decide, recharge and handle conflict. A side-by-side personality comparison after you match does.

• Coffee Meets Bagel: How It Picks Your Matches, and How to Check Compatibility After

  Coffee Meets Bagel sends a small batch of curated matches each day at noon, based mainly on your stated preferences and activity. It doesn't publish its algorithm or offer a shareable personality test. Premium is listed at $34.99 a month in the US. To check personality fit with a match, you can both take a free test and compare.

• eharmony's Compatibility Quiz vs a Free Personality Test: What Each Tells You

  eharmony's Compatibility Quiz has about 80 questions scored on its 32 Dimensions of Compatibility. Taking it is free, but messaging matches needs a paid plan, roughly $25 to $65 a month in the US. If you've already met someone, a free personality test you both take, such as MakeChoice, is simpler.

• Dating Apps That Match by Personality Type: Boo, So Syncd, and What the Research Says

  Boo and So Syncd are dating apps that match people by MBTI-style personality type; Boo also uses Enneagram and zodiac and supports friendships. There is no strong evidence that certain type pairs make better couples, so type works best for understanding a match, not for filtering who you meet.

Couples apps

• Best Couples and Compatibility Apps in 2026: Paired, Lasting, Relish and a Free Option

  Paired is best for a daily-question habit, Lasting for a structured marriage program, and Relish for coaching, though its app hasn't been updated since 2023. For a free way to understand why you clash, MakeChoice compares your personality types with no subscription.

• Free Couples Apps in 2026: Gottman Card Decks, Love Nudge, Lovewick, Couply, Agapé and MakeChoice

  The best fully free couples apps are Gottman Card Decks (22 decks, more than 1,000 conversation cards) and MakeChoice (personality compatibility). Love Nudge, Lovewick, Couply and Agapé have useful free versions with optional paid upgrades.

• Paired vs MakeChoice: Daily Couple Questions or a Free Compatibility Test?

  Paired builds a daily habit with questions, quizzes and games, with Premium at about $14.99 a month in the US. MakeChoice is a free 10-minute personality test that shows how your two types fit. Use Paired for daily connection and MakeChoice to understand recurring friction; many couples use both.

Personality tests

• A Free 16Personalities Alternative With Career and Relationship Results

  The 16Personalities test is free, but its career and relationship guides are paid, from about $29. The official MBTI costs about $50 to $60. MakeChoice gives an MBTI-style 4-letter type plus career matches and partner comparison for free, from a nonprofit.

Compatibility by personality type

• Compatibility of all 16 personality types

  A page for every pairing, from INTJ and ENFP to ISFJ and ESTP.

Paired, Lasting, Relish, Gottman Card Decks, Love Nudge, Lovewick, Couply, Agapé, Bumble, Hinge, Tinder, OkCupid, Coffee Meets Bagel, eharmony, Boo, So Syncd, 16Personalities, Truity and Myers-Briggs/MBTI are trademarks of their owners. MakeChoice is not affiliated with, endorsed by, or sponsored by any of them. Prices and features are taken from public app-store listings, company announcements and press coverage and can change; check each app before you buy.