Trine: Astrology & Match

About this app

Trine is a synastry discovery engine. We use your complete birth chart to find your most compatible matches around the world. We look beyond your Sun, Moon and Rising. Trine measures all 81 planetary pairings between two charts to connect you with your strongest matches. — Synastry — Synastry is the traditional method of compatibility analysis in astrology. It analyzes the angles ("aspects") between all planets in two birth charts. Aspects correspond to certain relationship patterns based on the planets and signs involved. The Planets: Sun, Moon, Ascendant, Mercury, Venus, Mars, Jupiter, Saturn, Midheaven The Aspects: Conjunct ——— 0° (Amplify) Sextile ————— 60° (Support) Square ————— 90° (Challenge) Trine —————— 120° (Harmony) Opposite ——— 180° (Polarity) The Signs: Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, Pisces The Elements: Fire, Earth, Air, Water When you hear "fire signs are compatible," it's because they're in trine — Aries, Leo and Sagittarius sit 120° apart. — Features — 1 — Search by Sign, Search by Aspect Search all users by their Sun, Moon, Rising, etc. For more advanced users — search every by any aspects to your chart. Choose from hundreds of aspect combinations. 2 — Compare Charts With Friends Have anyone scan your QR code. We'll ask their birthday, add them to My Charts, and show you both a full synastry report. They don't need an account — or even the app. 3 — Explore At the Party — within 2.5 miles Near You — within 25 miles Global — search the world for exceptional matches One in a Million — build the chart of your theoretically perfect match, then search for the people who have those aspects Search a City — NYC, SF, London, Tokyo, and more 4 — Synastry Reports & My Charts Read customized synastry reports between you and any other user, covering multiple areas of compatibility. Export any report as a PDF to keep or share. You can also add anyone's birth chart and read all about the connection you share. If it's someone you know well, get ready — the accuracy may shock you. 5 — Compatibility Tags Every connection includes aspect tags derived from real planetary contacts: · Soulmates — Moon/Moon, Sun/Moon · Sweethearts — Venus/Venus · Spicy — Venus/Mars · Mind Meld — Mercury/Mercury/Moon · Power Couple — Sun/Mars/Jupiter · Lucky — Jupiter + Moon/Venus/AC · Roomies — Moon/Saturn, Moon/Moon · Creative Duo — Venus/Mercury · Business Partners — Mercury/Saturn, Saturn/Midheaven · Career Growth — Jupiter/Saturn, Jupiter/MC, Sun/MC · Ride or Die — Sun/AC, Moon/AC Tap any tag to see the exact aspect and orb behind it, plus conversation starters — then send a like attached to that specific connection. 6 — Read the Wheel Every match includes a bi-wheel: both charts overlaid, every aspect drawn. Tap any planet for a reading of everything it touches in the other person's chart. 7 — Celebrity Matches Find out which celebrities you're most compatible with. Our database includes hundreds of actors, musicians, historical figures and more. Pin your favorites to your profile. 8 — The Library An in-app library explaining aspects, orbs, planets and houses. Everyone gets a chance to learn, no matter your experience. — Our Method — Trine ranks matches by their combined aspect totals, weighted by how exact each contact is. We score 100,000 simulated chart pairings through the same model to build an empirical distribution — reporting your compatibility as a true percentile. Every match is ranked in precise relation to your chart. Our goal is to find your most compatible matches around the world, combining an ancient practice with modern tech. —————————— Sincerely, Trine Team Terms of Use: https://trine-app.com/terms-of-service Special thanks to: Indiana University - School of History and Philosophy of Science Indiana University - Kelley School of Business. UC Berkeley – Department of Statistics. UC Berkeley – Department of Economics

1. QR Codes – Have a friend scan your code, tell us their birthday, and you'll both see a full synastry report (and they'll be added to My Charts). No account needed. 2. One in a Million – Build the chart of your theoretically perfect match, see why each planet landed where it did, and send those aspects straight to your search filters and find who really has them. 3. Enhanced Convo Starters – Tap any compatibility tag to see the exact aspect and orb behind it, then send a like with a question or a comment attached to that specific connection. 4. Single Planet Aspect Reports – Tap any planet in a bi-wheel for a written reading of all aspects it makes with your chart. 5. Your daily fifty – A considered set of your most compatible people, refreshed each day. 6. Synastry reports – Now export as a formatted PDF 7. Lots of polish and UI-design improvements across the app!

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1. First observed Sep 19, 2026 · 9:49 AM Free